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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 - MPDEO Award a ₱1.9M contract to MELECIO CONSTRUCTIONNational agencies

Transaction hash:
6dbaffa1bcbe20dad188ccd8a3f910edccde47c9e6299c15c35ec1efe2d45374
Status:
Included and unchanged
Block:
#2,680 3,333 blocks after it
Position in block:
Transaction 166 of 350
Award day:
Mar 4, 2016 (10 yrs 8 mo ago)

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 #2,680 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)
    DPWH lists the funding source as "Regular Infra - GAA 2016 Locally Funded Projects", i.e. the FY2016 GAA. The exact UACS line is not given.
    Partly
  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 - MPDEO awarded it to MELECIO CONSTRUCTION on 2016-03-04.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 15PI0112: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2016-11-15). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   6dbaffa1bc…d45374now      …
  2. 2. Block Merkle root changed
    stored   d87198dd26…241e2cnow      …
  3. 3. Block #2680 hash changed
    stored   2c409f0b2a…e8d1e3now      …
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 349 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6dbaffa1bcbe20dad188ccd8a3f910edccde47c9e6299c15c35ec1efe2d45374
  2. 01 R 6e6d6b43a8e17c69e66a97e41c9a612a54fc9bc86ca8170d8f166f9c161e97b8
  3. 02 L 43c153ffe07e3e7968a49b852653f0ad663ef854a0b959a56a39369e39030def
  4. 03 L ffcc002b76874e55edb1e2739c511b87d4890a431a70c675f9f467fb4e332bc8
  5. 04 R 4f9f5eb8f86d464672b89fa110865c1af8a9e734e39e017a7e23af3fbdefdbab
  6. 05 R e9941909cbd40264b786e0fc148eee928bdaa8b1aacbfbf58da37b81be0e563f
  7. 06 L 6bb115f3df95d8ff12f3e62b9548b8d4205b84d8d923368b82fac84d9c60af40
  8. 07 R e13d26c0cd50aa6a1e10a722b85b2614d619e52efeaf5c8046c20b895065423b
  9. 08 L ee48d3345a0d3f7a782fbe7bd4bb385f784d90b6e1f545976fb51dd2389e1d5d
  10. 09 R b747c00234c475c55915b9ca959f1a22896cb6c9d9fcf9234762ab225dd2559f
  11. root  d87198dd26aba0ec7eafc6a7292ec52c606c7a94dceeeac5f90a663ef1241e2c