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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 - BATAAN 1ST DEO Award a ₱7.2M contract to W. ALLEN CONSTRUCTIONNational agencies

Transaction hash:
21e006e66f8aef6e83b3e7c8c59c8789292b656e43a4d47e1b765a7394ece469
Status:
Included and unchanged
Block:
#5,106 907 blocks after it
Position in block:
Transaction 138 of 898
Award day:
Mar 28, 2023 (3 yrs 7 mo ago)
Value:
₱7,249,027.50
Project:
22CA0016 - Construction project

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 #5,106 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 2023 CSSP", i.e. the FY2023 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 - BATAAN 1ST DEO awarded it to W. ALLEN CONSTRUCTION on 2023-03-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23CA0016: 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 2023-10-13). 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   21e006e66f…ece469now      …
  2. 2. Block Merkle root changed
    stored   d05ebd1e93…a306f8now      …
  3. 3. Block #5106 hash changed
    stored   02b195fdf1…a2ff1anow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 897 records. Each step hashes the current value together with the sibling shown.

  1. leaf  21e006e66f8aef6e83b3e7c8c59c8789292b656e43a4d47e1b765a7394ece469
  2. 01 R 23755c2e56236979e71ab13fd24b64b60b424167237810bfe0b0a044ba452570
  3. 02 L e113310e8be069c42df86c61172b2f7fde538e5b4f43e06b657eade4b25a61b4
  4. 03 R 79fd5bf42319436154b5dc44f0dee266426b6797792649c13a2941c48a234f54
  5. 04 L 5232fb42127e3ea9536e0d52d7f2d63d07d3cdb0549688b36bcb390d2353e5ca
  6. 05 R 34f200a5371019c0778420f4b3ec213012be325cf24f3b56ed676b7f5371c1bb
  7. 06 R 1fc8573aba24668d361dd8e185ef53e2e12a21330a103c2586c4788297e52508
  8. 07 R 0b1c4505820ab6b75610095786d69bc6375746644efd5edbbf3f98b3fa34536f
  9. 08 L 92dd43122f138ba4c2ec26e48b051a86aafdd0b5c0705a329b8992d84abf1173
  10. 09 R 7db71c74a37fa5ea0f1722bc79c7458ce337de4e76165060ac5db36787b5999d
  11. 10 R 14c2af6194bdd76daa6f364107af5e12fa867b474b8883219090c0683bea59bb
  12. root  d05ebd1e936a60babe56adc471ae32d76a404f0f8148543196289826f4a306f8