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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

DEPARTMENT OF EDUCATION - REGION V Award a ₱1.3M contract to CPR CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
aaa8230c3735d91c652961fbe08b499ed668f61ef3e490f0210b0712074f6c9b
Status:
Included and unchanged
Block:
#1,052 4,961 blocks after it
Position in block:
Transaction 6 of 8
Award day:
Jan 19, 2011 (15 yrs 9 mo ago)
From:
DEPARTMENT OF EDUCATION - REGION V
To:
CPR CONSTRUCTION AND SUPPLY
Value:
₱1,278,913.40
Project:
CONSTRUCTION PROJECTS
Full record:
Open the award page

Accountability

Bill Sec. 3 and 19
Responsible agency:
DEPARTMENT OF EDUCATION - REGION V
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 #1,052 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)
    DEPARTMENT OF EDUCATION - REGION V awarded it to CPR CONSTRUCTION AND SUPPLY on 2011-01-19.
    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   aaa8230c37…4f6c9bnow      …
  2. 2. Block Merkle root changed
    stored   3a7e367994…0b2a92now      …
  3. 3. Block #1052 hash changed
    stored   0a8adab31c…e3a6c2now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aaa8230c3735d91c652961fbe08b499ed668f61ef3e490f0210b0712074f6c9b
  2. 01 R f6cbaa60ac8f638aaa10f063839e1dad63754490df6a480315780c515c8e10ef
  3. 02 L 37e5b0b990742604a1386ecaf567d1b4ce36f3ea8ee64b98167d700bb3e050e7
  4. 03 L a9777973a4a4967c6be695157a786260bd3fee8b8e53d8cecaf293accce87b8e
  5. root  3a7e367994620280b48b81d7ea9ca010f877f21ba0496e016575aa50fd0b2a92