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 - REGION XIII (CARAG Award a ₱10.2M contract to SANTECH BUILDERS CORPORATIONNational agencies

Transaction hash:
a4e38cc37ed83bc4bccc7d1de2aba40a52a018fa4f606030da70838c12575ef1
Status:
Included and unchanged
Block:
#5,807 206 blocks after it
Position in block:
Transaction 735 of 1,132
Award day:
Mar 21, 2025 (1 yr 7 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 #5,807 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 2025 SSP", i.e. the FY2025 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 XIII (CARAG awarded it to SANTECH BUILDERS CORPORATION on 2025-03-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 25N00009: 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 2025-08-03). 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   a4e38cc37e…575ef1now      …
  2. 2. Block Merkle root changed
    stored   c13f4a0c6a…9c16a9now      …
  3. 3. Block #5807 hash changed
    stored   3382cf9220…94368fnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (11 steps)

How this one record is tied to the block's Merkle root, without needing the other 1,131 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a4e38cc37ed83bc4bccc7d1de2aba40a52a018fa4f606030da70838c12575ef1
  2. 01 L a497f2ef31c00a103e3d80744cf2b181873df788c5e3c23611f55df2310636e3
  3. 02 L e2588911256517a471ea7a2f52af8e4dcf0b38dce1f5acb3d4fef95818ca710d
  4. 03 L 91b2220256cc8c0f0253fee7df02e56b29655d7585a65beead38dfadcaecf94b
  5. 04 L 71ccbedc9e1177130670137e7e66ae79d438bb11d900c6697be81eefd72893b1
  6. 05 L 7d02bb3ddbdf5ea0fd4a45438c01524b0910d79bedc6dfebfe40b5bab08d1e1e
  7. 06 R a398074326a4469a8c7d1b38f17baf2712605442a58cb0c986bf940e77bc7b03
  8. 07 L cc7d5af2c13e0ae9ae6e4426671c7ee1ecece0755a21e1ea5fd8dc6097d324be
  9. 08 L 39ae21dee078abe997a982fd877ab89565b10a585e4dead6dfcebcdb9321f96e
  10. 09 R 137b33724aa65230860de5ab23e560f6e408e62960f3b4ba5e875f037ac5480d
  11. 10 L f30aba8eedd53198486d213fc32b2413ac288840dc5749751240d49b71a000e5
  12. 11 R d32fc04837aaa0fc0d7aaf6432a022182fafbd4c04d93720356026ef7bb43124
  13. root  c13f4a0c6a3fcf602ad4d9b44566daa246c057f271816fdddb5e537c0d9c16a9