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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 EDUCATION - SCHOOLS DIVISION OF TANDAG CITY Award a ₱5.6M contract to TRIDENT ENGINEERING SERVICESNational agencies

Transaction hash:
c38ca063bc4e447fcb38ec8aaa92732536bed9deca997b6a7a5821f996a2f00c
Status:
Included and unchanged
Block:
#5,738 275 blocks after it
Position in block:
Transaction 138 of 177
Award day:
Jan 10, 2025 (1 yr 10 mo ago)
Value:
₱5,582,233.88
Project:
CIVIL WORKS-Construction

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 #5,738 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)
    The award does not say which budget line pays for it.
    Not published
  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 EDUCATION - SCHOOLS DIVISION OF TANDAG CITY awarded it to TRIDENT ENGINEERING SERVICES on 2025-01-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   c38ca063bc…a2f00cnow      …
  2. 2. Block Merkle root changed
    stored   c305668693…8bd440now      …
  3. 3. Block #5738 hash changed
    stored   39096f3c52…e102b2now      …
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 176 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c38ca063bc4e447fcb38ec8aaa92732536bed9deca997b6a7a5821f996a2f00c
  2. 01 R c8f13bf40a72e98263771e17abe5020a69e02fdbd7af188377ec51c67438b024
  3. 02 L a271c5d6eec60345e841704db6de7b75fb301c4564432a46d6d9773b0a96e353
  4. 03 R a9713cb42277328e4b3efbd00c9f449482ebef0360d9f62c851c71e2fc7a3623
  5. 04 L bc78c5bd40b8e7687c587b3e29acfbdfe559781478bf86a07c1ac459997b0c3e
  6. 05 R 4dfb779e0abb5e5d279c5b43fe1044f0424ee042b95feebf69e0ce007b3ad211
  7. 06 R 760c9fac34c56e12aad2a9f502d444e2ba339a07f6e3b9c2d50029a93f7efb8e
  8. 07 R d0a8a1a0f40b395c04ba5a694b80bea5c96b834f732d5b1e36fdf92b2f98973b
  9. 08 L 2ade929c936fd74a4402a1f052ebd2a25139908e16cc0e714983d907d011dd15
  10. root  c30566869380eeeb179826725180e748dc8926662b15a7c28abcb589728bd440