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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 SUR 1S Award a ₱4.9M contract to CHU CONSTRUCTIONNational agencies

Transaction hash:
f4e8dd4af9ee2256abbb2203851bfa80e01a047c61046b2f984be9208603ebc0
Status:
Included and unchanged
Block:
#1,715 4,298 blocks after it
Position in block:
Transaction 931 of 977
Award day:
Mar 26, 2013 (13 yrs 7 mo ago)
Value:
₱4,903,977.01
Project:
13NH 0001 Package 5 - Const. of Schl Bldg.

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 #1,715 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 PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S awarded it to CHU CONSTRUCTION on 2013-03-26.
    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   f4e8dd4af9…03ebc0now      …
  2. 2. Block Merkle root changed
    stored   0522c0ffe3…63bfd1now      …
  3. 3. Block #1715 hash changed
    stored   8b5ca71d2e…0f3d82now      …
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 976 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f4e8dd4af9ee2256abbb2203851bfa80e01a047c61046b2f984be9208603ebc0
  2. 01 L f4d60bbdde9e9c1561a7689a8f1c40d6be0d6b65108ac00d0657018dbd377557
  3. 02 L 9199910762311e06a59aff585db2d6b4ebf7e47bb8d7038297f87dd7eb2308e6
  4. 03 R d905b2a76abbf82aabec6923d132ba8e55998d15e0a61ab69828a0876c5aa6f5
  5. 04 R 2ff4e09ff0bcb6dab4af7a0736324ca4e34b6e95affebf904276df7f44e456b5
  6. 05 R 2f4c07b94ca8a9c87afe2fb2b5cd2db61caae3ed7d3f71c3594385aeebac6754
  7. 06 L baaba694d7cef1683a09d936e3c4383dcd21c991d8d58133145134ba30128c48
  8. 07 R 1cf4d1ba351c8143a820b323ca7a893e820d5bf3accf20a5827da6495aade7ed
  9. 08 L caa43f5c2746c013087a87f44a7785d475536ee0fb85f309ec48c8c24afafe02
  10. 09 L dba9fb4719a21a8b8e4d166e104e3fcfe46255d5b1f1671896306c4bde316325
  11. 10 L 82fcf3d12c98b945b02a79495fce21be985361009e5f54b2feec7b78450ef25e
  12. root  0522c0ffe36d6afacf299f85904ea71d87cd14c82a117108d541dc9e1063bfd1