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DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

NATIONAL HOUSING AUTHORITY Award a ₱173.9M contract to IPM CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:
cdfeb32e5d7bfe1a6eea202d999c1eab7529d0c8ae92c246da1837b690b2094b
Status:
Included and unchanged
Block:
#2,614 3,399 blocks after it
Position in block:
Transaction 338 of 414
Award day:
Dec 23, 2015 (10 yrs 10 mo ago)
From:
NATIONAL HOUSING AUTHORITY
To:
IPM CONSTRUCTION AND DEVELOPMENT CORPORATION
Value:
₱173,880,000.00
Project:
Procurement of Fully Developed Lots and Completed Housing Units under NHA's Yolanda Permanent Housing Program located at Adcadarao People's Village Brgy. Adcadarao, Ajuy, Iloilo - 600 Housing Units
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
NATIONAL HOUSING AUTHORITY
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #2,614 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    NATIONAL HOUSING AUTHORITY awarded it to IPM CONSTRUCTION AND DEVELOPMENT CORPORATION on 2015-12-23.
    Found
    Open
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   cdfeb32e5d…b2094bnow      …
  2. 2. Block Merkle root changed
    stored   1eeb910062…ffde79now      …
  3. 3. Block #2614 hash changed
    stored   90370e5655…ee5e7cnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 413 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cdfeb32e5d7bfe1a6eea202d999c1eab7529d0c8ae92c246da1837b690b2094b
  2. 01 R ce0313cecea13ba9d39e4965f1ea4e9cbdb392b1d384175b97d59499b40a46b7
  3. 02 L 74c7d756b7524658895f078117636c3bdd4891f3fb0909cb6d1c7daef74a704c
  4. 03 R 1a3b84475d5e3dca37cddb947044a413d7821a55fd064824066984ea9d79cfb5
  5. 04 R 856093393203410adb76b1378ef2589d5a2cf8a9e36dac9736dea97ee7278b52
  6. 05 L 89fa8212c6cff549f7732d15c21511c5bb60d40b1c42d2f557621373c6530152
  7. 06 R 700b4f704b4ca784d0a2053f94b2998ba134aa2a41d787bc99b9a7ac97fffb84
  8. 07 L 792c055b2bd8eb08f3fc2070e583a60f83b97651fd248d9561a2128335ccdc5b
  9. 08 R 2492022f1e986b788aef946e3f93a603d5f91d5cdd91dc6b9452860e342d495a
  10. 09 L 368384c7fe216a4f94dbc030e00e747b8280f56c8a744e5111cf6798170ea3d3
  11. root  1eeb910062883091c44e6e1c2008bd3f2f89b84040392e4d909906be4effde79