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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 - LAS PINAS- MUNTINL Award a ₱479.7K contract to AYANA CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
c84eff641f2e486f6bbc1b3246027f62cbd11edeb608455d0379cbfff67fe6a9
Status:
Included and unchanged
Block:
#3,566 2,447 blocks after it
Position in block:
Transaction 218 of 291
Award day:
Oct 19, 2018 (8 yrs 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 #3,566 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 - LAS PINAS- MUNTINL awarded it to AYANA CONSTRUCTION AND TRADING on 2018-10-19.
    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   c84eff641f…7fe6a9now      …
  2. 2. Block Merkle root changed
    stored   b4e44d9425…125ecbnow      …
  3. 3. Block #3566 hash changed
    stored   acbaa4506d…e88051now      …
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 290 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c84eff641f2e486f6bbc1b3246027f62cbd11edeb608455d0379cbfff67fe6a9
  2. 01 R c94cfda53634342ecf1e95d0c55fe864facc59e5744d2449b2f5ad497a537c5c
  3. 02 L 1a1480f71f72b8d0671a05a2548660620b9505cb715bb4c38add4b5b67c33e92
  4. 03 R 2531931938bee0f3b396abeb871a556289f3a0c40f5c0f7b966db3a9b61a2141
  5. 04 L 5de06360d5c2b413774ce44685da52c63c9f98ecb851a658bcde9b821454100f
  6. 05 L 6d37dfa5a5a4f4760d002a5efb96f99fe1a8e4ca7c0ed2dc01dc5fcbbec6ee7f
  7. 06 R db2ae59c11a4d076c40f97cab1a4ad53d0e38f804c36be11c6b9437af096f73e
  8. 07 L 27d10e6e8f61267e4e08290668848330594de8427156bc205520c1fe335f4595
  9. 08 L 9d683852a4613754a5d50cb202c36b4da841bbf0ed355137dca47414fe488cae
  10. 09 R 017e47c1292c3c6d7e51df8cbe42a4864a22984ca788220b5bafd53356d91988
  11. root  b4e44d9425fb8fb7bddbeb4478f95c44db1db0a960a388d8d3ba0e6574125ecb