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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 - ABRA ED Award a ₱15.2M contract to 739 BUILDERSNational agencies

Transaction hash:
a83d25959c8a7ca406578d29e5e5b179e15b357f40205ed814402495c838c600
Status:
Included and unchanged
Block:
#3,313 2,700 blocks after it
Position in block:
Transaction 218 of 339
Award day:
Jan 23, 2018 (8 yrs 9 mo ago)
Value:
₱15,190,617.06
Project:
18PA0058

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 #3,313 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)
    DPWH lists the funding source as "Regular Infra - GAA 2018 LP", i.e. the FY2018 GAA. The exact UACS line is not given.
    Partly
  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 - ABRA ED awarded it to 739 BUILDERS on 2018-01-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18PA0058: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2018-07-07). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   a83d25959c…38c600now      …
  2. 2. Block Merkle root changed
    stored   5b733fb645…eae137now      …
  3. 3. Block #3313 hash changed
    stored   b25c3c9fca…44e494now      …
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 338 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a83d25959c8a7ca406578d29e5e5b179e15b357f40205ed814402495c838c600
  2. 01 R a8737c96889a227a415c795eaff24d54e8ea98de300cb0ac1f16c2cca5ebcf2d
  3. 02 L 5d7b1fecf90514eb5cd025f2457900a8aa3f7031af8da8c1686ef7d6306ca0af
  4. 03 R 4562ffca7e3ee4802a226e3dde0f40c34a9b90be353c8fa94f87866ee328ceb7
  5. 04 L 7c79d86a154d3d4004f221656a7ec60e525533f6f8def0279b8c24b010db7604
  6. 05 L f97e838cb08cf6bc2c350bf89522c22462ca6dbdbcf271cf516c9d2c39571dd5
  7. 06 R c54143397a1a4a4ed05e3ce28d4587dd70bce7ddf1c7839cfc3290580c670a57
  8. 07 L 90ac04a76bacdc5c72ae35ce9488f91cdce6e4841b18a6af135479d6fad0b944
  9. 08 L e3dfc81fbba0e3c8a000739497e8303da784ad9caf90eec08af3815d7160e43b
  10. 09 R 46d946b9f9ff5810d127489396363dc888547b7a39cd046dfaeb0688efe0d28b
  11. root  5b733fb64529618aa20d957bba9928aea1287299909529310dd65da108eae137