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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 - SURIGAO DEL NORTE Award a ₱2.9M contract to AMALGO CONSTRUCTIONNational agencies

Transaction hash:
df7f2efe332fa9f25542b27f671840d029cd53935621e1103be95722f6e6910f
Status:
Included and unchanged
Block:
#4,466 1,547 blocks after it
Position in block:
Transaction 148 of 178
Award day:
Jun 1, 2021 (5 yrs 5 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 #4,466 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 - SURIGAO DEL NORTE awarded it to AMALGO CONSTRUCTION on 2021-06-01.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21NG0005: 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 2021-10-08). 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   df7f2efe33…e6910fnow      …
  2. 2. Block Merkle root changed
    stored   ca5974fed3…2d2d31now      …
  3. 3. Block #4466 hash changed
    stored   32fd88fcf2…762060now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 177 records. Each step hashes the current value together with the sibling shown.

  1. leaf  df7f2efe332fa9f25542b27f671840d029cd53935621e1103be95722f6e6910f
  2. 01 R e0453533188266795de098aa525c2994e168e14a7d50dc2717c6665118c6e578
  3. 02 R 125937f05954d3e9e86840d2310bfc6356cd452cc8ade74c5dca3238cff758af
  4. 03 L 5086414dd53fe22d7ff612d9c4c32fa91473db25a55ee215208c5cf66f5334ef
  5. 04 R f3a0e7c596cffec289500e019a9d0fb40357323637d06358dd61b39f5eaca8fa
  6. 05 L 75a2308fa670874bafa5b7f875c4fea4ba216ec1496dd4f9bd762dc16b4a83a2
  7. 06 R 9a492317722fa76b237927567c14e162194ed081b39f8accd54ed512b16bb629
  8. 07 R 3892265da1f4c9f5ec7a563e33bf095903c2939eb66e3ea9cb467875676ce197
  9. 08 L 5f7f4445d972b49591f38f607dd23430575fd9455cb7c2925174dcfae70545eb
  10. root  ca5974fed34cb5ae81baaee3894019dba0f3cd3746123e7426068d1ecb2d2d31