Skip to content
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 - ILOCOS SUR 1ST DEO Award a ₱9.6M contract to AMSTEK CONSTRUCTIONNational agencies

Transaction hash:
25322525f09cfdaacc3d8d8d002b5750ae1879dccfb0655e8d1f41f6e93ef7f5
Status:
Included and unchanged
Block:
#5,414 599 blocks after it
Position in block:
Transaction 108 of 674
Award day:
Feb 12, 2024 (2 yrs 9 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 #5,414 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 2024 SSP", i.e. the FY2024 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 - ILOCOS SUR 1ST DEO awarded it to AMSTEK CONSTRUCTION on 2024-02-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 24AC0024: 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 2024-05-08). 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   25322525f0…3ef7f5now      …
  2. 2. Block Merkle root changed
    stored   da4bd6d316…3c68dbnow      …
  3. 3. Block #5414 hash changed
    stored   469a31901a…678c21now      …
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 673 records. Each step hashes the current value together with the sibling shown.

  1. leaf  25322525f09cfdaacc3d8d8d002b5750ae1879dccfb0655e8d1f41f6e93ef7f5
  2. 01 R 25739949bd6153c6d575368280776c47fc3f62807d5bd439a5136dbb61bd963d
  3. 02 R c13972dbc81d68f31e391a7a46c381c0f0326deebabf818c4730f03f4fc981c7
  4. 03 L 1e6868d30b1a408beb33ed43e582dcc10d6e6ca8145849f6bbedeebdd46fd029
  5. 04 L cdf0a77cb85bbce7a1f6f5171d6b8981562a5e11c1a9c9b56dcb6c6a866fafb6
  6. 05 R c4cb6cd180610b1278fa910aa1fc74502779062c08bcb4a1b60547a54995dff0
  7. 06 L 7081d768f2dc17cb8dfbe46d89db7ccb0a8df5b9ebbc2781cfd69a1b6651c925
  8. 07 L 85f96102dcdfad637588899a062aa6b85f58edc81f0644e0e18841b174a5075d
  9. 08 R e4e5dd46d09fcc4aa0e3b0c894521ca27f64513a54cb4266e0bae8500409a6b9
  10. 09 R 842c20bf57699ba7702c14151bb75f99a3d53743a1e676f03c594da5602b5ce6
  11. 10 R 738caed58c44f7d814ef8d7ccf609707e0a142a0dc413eed4f1c28747801a180
  12. root  da4bd6d316e137ffb45ec6b1181e11e2ec0848efadcad396e194465b953c68db