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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 - REGION I Award a ₱2.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
85b80a24dce09946c8b76b21f1ed7989babe064f7f33e606dbbaea559546637d
Status:
Included and unchanged
Block:
#4,495 1,518 blocks after it
Position in block:
Transaction 145 of 279
Award day:
Jun 30, 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 #4,495 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 2021 LP", i.e. the FY2021 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 - REGION I awarded it to E. E. MADAYAG CONSTRUCTION on 2021-06-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21A00205: 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 2021-12-27). 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   85b80a24dc…46637dnow      …
  2. 2. Block Merkle root changed
    stored   527263973c…66de7dnow      …
  3. 3. Block #4495 hash changed
    stored   3ce012dab9…a3a2adnow      …
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 278 records. Each step hashes the current value together with the sibling shown.

  1. leaf  85b80a24dce09946c8b76b21f1ed7989babe064f7f33e606dbbaea559546637d
  2. 01 L 856396e204d8bf6d844365c7a50244f46c5664ef940ecf01c3417970dbb4762b
  3. 02 R fbbcf305f6f32919ea0661a98e5b14c87f110753df5fda873c35dfd92c53e758
  4. 03 R 15566824429e933b14e173e36d6f59527515614c895484337bbd04c1096abe81
  5. 04 R 9ad5463f046858ce464e5d33f53844c9ae8d8c71ef17d3c3b411c4148d22f04c
  6. 05 L 93e63f26e65c033ac811b066b375a1df3e7ac050241d323cc71ea024b5aa8a32
  7. 06 R 5c6cc904044c7067e3d4ce57bf55ad138285cde12c6ad07d57fbd61ed002a781
  8. 07 R 7f2d59a3a199e5e1bca1cb8955b29c3785f08c5f5cb0893e4eda8018317d8424
  9. 08 L 15057c86fcbc5001df1c632314ff6d4540808a5a6868e8031c4c9ffc3e9c21ce
  10. 09 R 9e41b06d49ebf8ad140fa0b242d7140383c05a8085bc39105225c63f3db3009e
  11. root  527263973c7748e54fb161c4d00d216c78fc53c888d588c10512e849fe66de7d