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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 ₱11.5M contract to AD MARRERO GENERAL CONSTRUCTIONNational agencies

Transaction hash:
8f4e5efdb098208c75c5750f59cc100a15eb9c12f238e4798745f375d4463ca9
Status:
Included and unchanged
Block:
#4,497 1,516 blocks after it
Position in block:
Transaction 104 of 188
Award day:
Jul 2, 2021 (5 yrs 4 mo ago)

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 #4,497 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 - ABRA ED awarded it to AD MARRERO GENERAL CONSTRUCTION on 2021-07-02.
    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   8f4e5efdb0…463ca9now      …
  2. 2. Block Merkle root changed
    stored   d11564c1dc…a6c02enow      …
  3. 3. Block #4497 hash changed
    stored   83f3c6ec4c…9abd88now      …
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 187 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8f4e5efdb098208c75c5750f59cc100a15eb9c12f238e4798745f375d4463ca9
  2. 01 R 90c7052e0c726355b9bc4d0963512b9ad17dbb7d84db7f88e81483bf7881d4cf
  3. 02 R 15ccc28fc613196e908c4f7f5692d56d32199f7644296409a614e60aa7648e99
  4. 03 R f08dc1c8e1604e0533fcd8e7790de7c683490d5c5e06055faaa640055ee9e732
  5. 04 L 94765508dbc4bf332f3ccf166ce57d4bb935bb4b086203fb38ffca7cebd1c5ca
  6. 05 R 322b131184cd391af9e78ffa4a612ef801a45ac0f60cfbe5f2b95d0307d5780d
  7. 06 L 5f812cc90c89c23f72cffad043271043934673da643ad529116c342e6a46e8f6
  8. 07 L b05ff31bf60c411da7da9aecd86c28876f1aa4f5cfbae81a97a98d1dcbe2c7c4
  9. 08 R 9dcb7a440bbc7ca7bae80ac79beca015ffbc4b027e160db08fedf3a3578ad0ed
  10. root  d11564c1dc3614b7e3e55716dc640ca75b7d0fa71503d4bafe3a51e2d0a6c02e