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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

CITY OF OLONGAPO, ZAMBALES Award a ₱6.0M contract to G.M.R. CONSTRUCTION AND SUPPLYCities

Transaction hash:
430f4cc853ecddb4e0f6b3c23f7102ac188d762c303bbe083c9e4bb5b9b4a8cd
Status:
Included and unchanged
Block:
#4,568 1,445 blocks after it
Position in block:
Transaction 68 of 255
Award day:
Sep 14, 2021 (5 yrs 1 mo ago)
Value:
₱5,987,010.62
Project:
Cell 1B- Drainage System (Double Barrel RCP)

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #4,568 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)
    CITY OF OLONGAPO, ZAMBALES awarded it to G.M.R. CONSTRUCTION AND SUPPLY on 2021-09-14.
    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)
    COA's CY2024 audit of City of Olongapo gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   430f4cc853…b4a8cdnow      …
  2. 2. Block Merkle root changed
    stored   e8c63a76c4…ddeafenow      …
  3. 3. Block #4568 hash changed
    stored   f4eb6ba01c…b404a8now      …
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 254 records. Each step hashes the current value together with the sibling shown.

  1. leaf  430f4cc853ecddb4e0f6b3c23f7102ac188d762c303bbe083c9e4bb5b9b4a8cd
  2. 01 R 4587a8010904d6b23502549b6c5fcbb1f6107889bb8c32954edd79d3e82b9dc6
  3. 02 R 32d2b619f10d812519a6c68435fde73461614323610d2268b78aaef1530308be
  4. 03 L 103702aaf6811b4fb91e3caecabd560e2553825ab7a19a6f1467a79db0281749
  5. 04 R 2a65a8682435a6e25ab0073fe7c2944b1e2cb6f4b9db47c39497f7840c23b153
  6. 05 R d151a45801d6d821069d796d53a7c95ecdd86f995c6102bca46ff96e6f646a0f
  7. 06 R ce0d4528c47ff93b03fdeb84d66e83d8117f6a9f3baccdb590a3f3245b0f1c3d
  8. 07 L 037a3a8a675b1859bfdc30cfa1d48956931735c7cd53760883f2f9a9ee0a91a1
  9. 08 R 30e03f3aca8ac232ca8951c2f1436f292b80708e072a231451ccb3d07076fb02
  10. root  e8c63a76c47c6463e9ee5cad759486b9f79ebc0a06d980bb028692699cddeafe