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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 - PAMPANGA 2ND DEO Award a ₱1.9M contract to MAM CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
36c3bf9ad096ecc006e2da2f7492ef61997b6484fc7a06436d998c13f1674633
Status:
Included and unchanged
Block:
#1,683 4,330 blocks after it
Position in block:
Transaction 52 of 271
Award day:
Feb 18, 2013 (13 yrs 8 mo ago)
Value:
₱1,919,330.19
Project:
Rehab/Const of School Bldg Betis High School

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 #1,683 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 - PAMPANGA 2ND DEO awarded it to MAM CONSTRUCTION AND TRADING on 2013-02-18.
    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   36c3bf9ad0…674633now      …
  2. 2. Block Merkle root changed
    stored   28997a9d6c…acc51bnow      …
  3. 3. Block #1683 hash changed
    stored   2c9de5e318…657eb1now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 270 records. Each step hashes the current value together with the sibling shown.

  1. leaf  36c3bf9ad096ecc006e2da2f7492ef61997b6484fc7a06436d998c13f1674633
  2. 01 R 36dc69bdc8673da6e2e1f474ef059cea98efbae9e12225bdca1dacff0ac648a3
  3. 02 R 7d08b8f11a169af46c2a916f1734046c889f63fd424243a9e304b583aa249bd1
  4. 03 L 9999b9557c3dffc7b2359a93398814930d297b4e8ccf51ea3eace6ec673a3e86
  5. 04 R 1fb46cbd1fbc571103186a1e44c8c8fccb7b17f09fffb98e05b2ae3869334f93
  6. 05 L 24dd5d1d0f6168c3528610de987e3cd74b0fa1334b31b3b5bc798af2d2f60137
  7. 06 L a08a9e414350313bc2d95c62616d251c178511ccf23786307f1f2f100b913c06
  8. 07 R 91e02366dcfce3830614f4392a31c2a356dd9521ca332b78edc8119b1b4b3d15
  9. 08 R e5957d035eb37b2b5bf32df4f9a0a7d551b51aee46d7d98f4e736fe1db0cb148
  10. 09 R 1c148762a9844a166160c1a4c39b9c28676ff8c8b954bfdb196d5a5b9651c187
  11. root  28997a9d6c7829910da984dd5bd36eb9ad1198470a7f06eaf50063dbcfacc51b