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FY2026 GAA: ₱6.79T
PisoScan
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 PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED Award a ₱4.8M contract to AYANA CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
595a4ea54aef20531cfee3cd2e2fc59d989e799672c77452217b7b8122944a43
Status:
Included and unchanged
Block:
#3,059 2,954 blocks after it
Position in block:
Transaction 83 of 254
Award day:
Apr 27, 2017 (9 yrs 6 mo ago)
Value:
₱4,792,883.53
Project:
IMPROVEMENT OF ROAD WITH DRAINAGE SYSTEM

Accountability

Bill Sec. 3 and 19
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 #3,059 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 PUBLIC WORKS AND HIGHWAYS - RIZAL 1ST ED awarded it to AYANA CONSTRUCTION AND TRADING on 2017-04-27.
    Found
  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   595a4ea54a…944a43now      …
  2. 2. Block Merkle root changed
    stored   794ee4510a…c86241now      …
  3. 3. Block #3059 hash changed
    stored   2cabba6391…10b96dnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 253 records. Each step hashes the current value together with the sibling shown.

  1. leaf  595a4ea54aef20531cfee3cd2e2fc59d989e799672c77452217b7b8122944a43
  2. 01 L 594d05781ede2d51a633a8e0a296e0052a5913b433270e6cea44b06fe016c8c6
  3. 02 L 29a05025aea69101bfb455cec3b6b9d3a92bb2098628da5eee49e757a60f0ad0
  4. 03 R 52265738135c0d71ddf1bfef20bd0f8e57a1149d78d2e4591266309fb5c51be6
  5. 04 R 02e5491b43f22f2231d18b9322778ac29930ce8ee455cd9c93d75a842056ff32
  6. 05 L 2bc9e10132e104bb9c46c2b98a0c752a03df652a1d2a7af7c75b6fcec9e69de6
  7. 06 R 612bf670d97aa990e423b210f2b843a662b941053f579f00dc78a9fbe6368481
  8. 07 L 17faa544282e68b842eb60cb11defdb454dcda09d38e6b1249e93a5996c811a8
  9. 08 R 2f56311b2dc428124a981adb20a90722b79fed0bc4b895f0c6f9ba238005d8b4
  10. root  794ee4510ab502c9bdcf5f0f03f004ae9b27bb760eacbcb795ddb9eb48c86241