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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 - ISABELA 2ND DEO Award a ₱302.0K contract to A. DE GUIA CONSTRUCTIONNational agencies

Transaction hash:
3ef25d93ef90ed4d05eaaf8e8468696d1bc5b4403626d7ec79c83cc197eab8a7
Status:
Included and unchanged
Block:
#1,940 4,073 blocks after it
Position in block:
Transaction 51 of 204
Award day:
Dec 11, 2013 (12 yrs 11 mo ago)
Value:
₱301,995.64
Project:
13BF0132 Const of Water & Sanitation Facilities

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 #1,940 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 - ISABELA 2ND DEO awarded it to A. DE GUIA CONSTRUCTION on 2013-12-11.
    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   3ef25d93ef…eab8a7now      …
  2. 2. Block Merkle root changed
    stored   371de67fed…b8fda5now      …
  3. 3. Block #1940 hash changed
    stored   8896522caf…57aa5bnow      …
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 203 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3ef25d93ef90ed4d05eaaf8e8468696d1bc5b4403626d7ec79c83cc197eab8a7
  2. 01 L 3eab5585dab6ae55d4d8ae43c11eef6813dde01969cd43206c81b5caa4c91a6a
  3. 02 L 5504354740ab467483b33eda0e07112997722fb5e09902948e75a84aeb8f9952
  4. 03 R c3bf535d6bb099c5a714349e6203f1293374b197f8d1d63209c3ffb9bc64080e
  5. 04 R 373801a8aa67af1540593df17e5f44d0b7d5f62dbba334805f7ee3a1a4d2e470
  6. 05 L a3199919412d2af1c4eb8e23392e79315e7f55b760014ef21499f3efc8e8dffa
  7. 06 L 2b2196fec3b7360e0d90fb8e24a92939f0157cf8e580ea755de151f660a9ae0e
  8. 07 R 8198361d7b513fe803e74d536b45bc7caa52fc5adfe337da9ac5f07b1edc5d88
  9. 08 R ce14a45289a86f21fbe227380a2cd8e7792fa34c24ef8611e062644152adb379
  10. root  371de67fed885abefb12005bb0b89759751f2ffd13cb5c2bbe385bbbaab8fda5