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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 - QUEZON CITY 1ST ED Award a ₱990.2K contract to 3-R SURVEYING SERVICESNational agencies

Transaction hash:
9aa0e0392ffd28afd813f344ea11c44a871fe1ba8ef846d6c94e9ce4f0045cc7
Status:
Included and unchanged
Block:
#2,579 3,434 blocks after it
Position in block:
Transaction 107 of 175
Award day:
Nov 16, 2015 (10 yrs 11 mo ago)
Value:
₱990,212.50
Project:
Par & Top sur of Trib Brgy Pay, Bat Hills, QC

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 #2,579 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 - QUEZON CITY 1ST ED awarded it to 3-R SURVEYING SERVICES on 2015-11-16.
    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   9aa0e0392f…045cc7now      …
  2. 2. Block Merkle root changed
    stored   2fe6cd42c0…a4cac2now      …
  3. 3. Block #2579 hash changed
    stored   b140d1097e…270ca5now      …
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 174 records. Each step hashes the current value together with the sibling shown.

  1. leaf  9aa0e0392ffd28afd813f344ea11c44a871fe1ba8ef846d6c94e9ce4f0045cc7
  2. 01 L 9923fc481fbed55dac26246542c06a3ebd13b8dad6b7ae713471c67ba3fdb022
  3. 02 L 451a0975b5051c181d2a39f7263fce4efeafa21b971e0994d5e9f9ff4b3a9141
  4. 03 R 18b7cb21f95c68a94f96546acd5dde8d85df9766ec1efd74c46403fea0cfea47
  5. 04 L 979225b50b80882da13a76e0391458300ed893e96f621c8dd5734b179bc05a42
  6. 05 R 731bed408144688b2525d09dbe5cb5bfdca1b9eee0b11cfb251f72b3cc49e2cb
  7. 06 L 25e3f472deb90465523d88d294b0ea2b16b6c610ce3e6e93385e07f8df5607c5
  8. 07 L 4be49b49a9423542fc164297fc26828af4fd3f2603622eb87cda8e62d41fa7c8
  9. 08 R 4388cd04ad263d89354133ed6c50e2afc5f841a807406fb2b3a2b0b407171386
  10. root  2fe6cd42c07cdd7190871ba909cfaa048e5cfc7f9bfd6678955c200683a4cac2