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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 - PALAWAN 2ND DEO Award a ₱11.6M contract to SAMURAI CONSTRUCTIONNational agencies

Transaction hash:
de6e4e5196afe372d7b2ca7bb3e5b43d062bc041c27e0d8d70d986cd40d91e3e
Status:
Included and unchanged
Block:
#4,743 1,270 blocks after it
Position in block:
Transaction 521 of 605
Award day:
Mar 11, 2022 (4 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 #4,743 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 "Outside Infra - GAA 2022 DA FMR", i.e. the FY2022 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 - PALAWAN 2ND DEO awarded it to SAMURAI CONSTRUCTION on 2022-03-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22EF0076: 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 2022-08-15). 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   de6e4e5196…d91e3enow      …
  2. 2. Block Merkle root changed
    stored   13bc798019…549c85now      …
  3. 3. Block #4743 hash changed
    stored   37455c7502…abc399now      …
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 604 records. Each step hashes the current value together with the sibling shown.

  1. leaf  de6e4e5196afe372d7b2ca7bb3e5b43d062bc041c27e0d8d70d986cd40d91e3e
  2. 01 L de632f58a81fec6293dfef561a48d5c49a92477e4fc1b6ce1d9a6bcbf2d15eca
  3. 02 R 9c8bf7887d411b3d22ab926eb57ad6ea3ce7fd3fe72a6a75467736bc85331464
  4. 03 R 3329c2ea4a7c91a55d1e1be75b5e9cf521a2837e97dd5fce9e4ed89e77d5b83a
  5. 04 L 9dd66493f373c2aec263ba53c1d4d20746f573f92f7e3c62211839047b43f1f9
  6. 05 R f7bf6a2a765ad538918c7db1dcbce52e75162a179aa0572ed0aa48908c55f22c
  7. 06 R aea98b979916c4b16f5a92cf221bc0b02758935e3176a723cbe6fd40c80496ba
  8. 07 R 4a74330e5d561dac56979e31155daeab0c4b56af6270f815aa5d0070d5df633e
  9. 08 R 6673e91d8c765582cb3eaaa8fadbf33d9e8536598b7c95c7c9df0c7c51381e4b
  10. 09 R 544ea4d161fc5c863ac92c114e47f590993ca4c69557611c2a7aaeb775552768
  11. 10 L 0b85779a9eddd4472599fb7119fd859ec97640c154a4a9f0db543f323a5ff593
  12. root  13bc798019713503e6493d583b99aa9fafbcc71dae02242a434d033df5549c85