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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 - REGION XI Award a ₱45.9M contract to MAER SUMMIT KONSTRUKT CO.National agencies

Transaction hash:
1cd4d50318981a2ddcb01c8e7bd49c31cf411d6eda890ae9e5968eb93429d9fd
Status:
Included and unchanged
Block:
#4,827 1,186 blocks after it
Position in block:
Transaction 25 of 216
Award day:
Jun 14, 2022 (4 yrs 5 mo ago)
Value:
₱45,864,796.08
Project:
21L00173 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 #4,827 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 Augmentation", 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 2022-06-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21L00173: 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 2023-10-06). 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   1cd4d50318…29d9fdnow      …
  2. 2. Block Merkle root changed
    stored   b61d130080…c33400now      …
  3. 3. Block #4827 hash changed
    stored   4699f14095…ab406dnow      …
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 215 records. Each step hashes the current value together with the sibling shown.

  1. leaf  1cd4d50318981a2ddcb01c8e7bd49c31cf411d6eda890ae9e5968eb93429d9fd
  2. 01 L 1cc0fa64486dd6f799b0360168b1f0d9a03c9385b8537624e217db246d249a69
  3. 02 R 5f1512767149d7b79acbb3a27cfc0c51435cb8bddc898a016d8d74aa1b1addf6
  4. 03 R 5e7bc043bc9b78f3eeec725503ade42d56ae01bf2931cae1216e7ff68a1acc0e
  5. 04 L cd309ead29a526e001d787899ee3993d3e62240f088e093b72377dab3a7b0627
  6. 05 L eefa033ff902258d3599d2335706fa4b309399503a72961157f0c1e0428dac63
  7. 06 R ef3662471ddfefee3d67db8cd2310f054ab313295887b2ec2160883a61e86a5d
  8. 07 R ea299b86e42150489016a729d384b6cacdd06e9cdd1a88f8c98204596b8fdadc
  9. 08 R c6e22bb20dff547e37394aa5bb1651ce2a73a8db3b83a161ba5393ac99a6c5c1
  10. root  b61d1300805a6e4595ec00364a5e44180eb8a1315497480678bcd60618c33400