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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 (METRO MANILA 3RD ED Award a ₱19.2M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
dda31f5f7f93efd03091c02ce39c598f9dfcc136808f28fa025315b0bafb8acd
Status:
Included and unchanged
Block:
#5,092 921 blocks after it
Position in block:
Transaction 463 of 549
Award day:
Mar 13, 2023 (3 yrs 8 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 #5,092 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 (METRO MANILA 3RD ED awarded it to AYLAN CONSTRUCTION AND TRADING on 2023-03-13.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23OD0101: On-Going, 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)
    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

2 of 8 documents found, 1 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   dda31f5f7f…fb8acdnow      …
  2. 2. Block Merkle root changed
    stored   ac2f5120e7…af457fnow      …
  3. 3. Block #5092 hash changed
    stored   0dd9886ac3…f8a15enow      …
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 548 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dda31f5f7f93efd03091c02ce39c598f9dfcc136808f28fa025315b0bafb8acd
  2. 01 L dd9aa535639f521c1f6c5cb1e6a971b624cd2fc66300d82f75e585d53e867683
  3. 02 L 0a0c10fc57081908587cd041c7de371de1697e8bef21b353a365cb548a9d8f11
  4. 03 L 6e0c2499d6f3c2e936105b7f16e70a2ce9abd876da750c9b47a80f37ade950d0
  5. 04 L 87a2ecd513998223fda3ad609bde3355d8d0d6c110c2e3332c687309f2be556a
  6. 05 R da33ead73b3abad6abba20c46eceb7b09314f61004d76a169fb5203d6fa85ccb
  7. 06 R 24830f5097ae85649c921ff276f8fe7191daef749e65b2d91c68b64fafada769
  8. 07 L 1248b95c2aef65bbfca2b9f2982a91154e75d02e8407a5cfd4192b0cbc96feaf
  9. 08 L 3f6093efdb880d2d2211f22856b53a5997f3c766934b54cf80dca11e6c962c3d
  10. 09 L 0e7f18685e5b94e1b1fbeed2086a460b10a14f26b74a7fb523fe0c17ca458262
  11. 10 R 434267951228f8f29985b438ff03dff87573f25851ef3b805221fe55a45e7db4
  12. root  ac2f5120e7dcbfe840c6b52fdd377d04389c561d40ac2cd36e27b88852af457f