Skip to content
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 - REGION XI Award a ₱120.3M contract to MAER SUMMIT KONSTRUKT CO.National agencies

Transaction hash:
d15ac8d256f77e5bf654b3f87c234a22b380172a82e766d8b88c0c0435e33036
Status:
Included and unchanged
Block:
#4,405 1,608 blocks after it
Position in block:
Transaction 249 of 315
Award day:
Mar 30, 2021 (5 yrs 7 mo ago)
Value:
₱120,345,100.69
Project:
21L00116 ROA, NOA, Contract & Notice to Proceed

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 #4,405 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 2021 OO-1", i.e. the FY2021 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 - REGION XI awarded it to MAER SUMMIT KONSTRUKT CO. on 2021-03-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21L00116: 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 2022-07-29). 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   d15ac8d256…e33036now      …
  2. 2. Block Merkle root changed
    stored   28394f46af…42258enow      …
  3. 3. Block #4405 hash changed
    stored   29460c3f51…9a0142now      …
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 314 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d15ac8d256f77e5bf654b3f87c234a22b380172a82e766d8b88c0c0435e33036
  2. 01 L d13eca529938e35e28810b1a2ea7d56a8144afc4c61c61991b4872edc6504a56
  3. 02 R 40a3449db929b2eca51d36dc9ad6a88cc46fc9b51712a2f675a59b54428ddbcc
  4. 03 R 1975dd377a47bf5c4b7948041ef3d07b6f67593de14a1230e5e4c26ac5f4d5b7
  5. 04 L c524c19f4e36586b83eb3a2a27ffbdb81df2bb6b9faf26a7af090a6f7a11ac9a
  6. 05 L aaa8d518bd44e63085fd33b73fff40877c798b1b08d5c8daf3ca73699a430719
  7. 06 L 8cec4ac00ffcee710760729603810f34d46b275ec0ccd6e5fb3262acae9c76bf
  8. 07 L 0e343c8b063a25d8c92277989df9e3831f1ce661d0753e9d9ac45561fb6fa21e
  9. 08 L 94b1d40b283f0e2c9b06ff447c0323023293beebcd4be04e199e53374c8bd191
  10. 09 R ab86f967d398e4ae917b93418ca418f081a55e387782480b9f3ce5ca07d54559
  11. root  28394f46affbe650e70f931a343733b3a86dda0b21e666633d6fc0f1c142258e