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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

MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY Award a ₱497.0K contract to NAB CONSTRUCTION AND ENTERPRISESMunicipalities

Transaction hash:
2f35a9089c64ab3feadba963abb10c7a5ac1f02bc9fb1f7f58041dd0187cb7b2
Status:
Included and unchanged
Block:
#5,006 1,007 blocks after it
Position in block:
Transaction 61 of 312
Award day:
Dec 14, 2022 (3 yrs 11 mo ago)
Value:
₱496,998.78
Project:
NAB CONSTRUCTION AND ENTERPRISES

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 #5,006 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)
    MUNICIPALITY OF OLUTANGA, ZAMBOANGA SIBUGAY awarded it to NAB CONSTRUCTION AND ENTERPRISES on 2022-12-14.
    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 Olutanga 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   2f35a9089c…7cb7b2now      …
  2. 2. Block Merkle root changed
    stored   ab84ef721f…53fad6now      …
  3. 3. Block #5006 hash changed
    stored   0aab7a4925…295a2dnow      …
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 311 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2f35a9089c64ab3feadba963abb10c7a5ac1f02bc9fb1f7f58041dd0187cb7b2
  2. 01 L 2d1732c2a7092f720abf8c9d89aff601379d9ada9c9335b8356a9b8a04c12f08
  3. 02 R 6f51f1451f8ca8e20b205a7d02abf67b16c59a5cf98fed486d9e4cfd3d269561
  4. 03 L 26a011c615c4a998d53764be0ef642672c2a76d513bb7d581874c535cb6b2cac
  5. 04 L 4ab7ef22db10d793a0aeaedc251d8b293fcbafcd9c2c0508bb8f8c9f69e6d642
  6. 05 L 100ac603824d544d17ba4983d9bbe792a91bbb5b115136a85186ddb871aa998b
  7. 06 L 6b4b2daa25b95094c1d6aaa042d0a018b6ed6637721b598660313bf11670006c
  8. 07 R 4ceba40b86819b6ba92b0fe87780b427d2c6e00e857d79c282c75ae2876013d0
  9. 08 R 38bca84de863968eabe1834d670cbb281749fc92e508224e53999c00b08e19a5
  10. 09 R 86fc1447803c5ad08ad3fbea7267da833f4fda4bff29c2a43cd038c01f07456b
  11. root  ab84ef721f86dc3f4370a2e9573a670b157059664c361b311ec89ff12453fad6