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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 TIGBAO, ZAMBOANGA DEL SUR Award a ₱990.0K contract to OPTIMA BUILDERS CORPORATIONMunicipalities

Transaction hash:
f8a8a4889979e6df7baae3ca87ebd551a4e68d03b5bf7e46d98f410660cb77d0
Status:
Included and unchanged
Block:
#4,528 1,485 blocks after it
Position in block:
Transaction 187 of 191
Award day:
Aug 4, 2021 (5 yrs 3 mo ago)
Value:
₱990,000.00
Project:
Improvement of Municipal Plaza

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 #4,528 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 TIGBAO, ZAMBOANGA DEL SUR awarded it to OPTIMA BUILDERS CORPORATION on 2021-08-04.
    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 Tigbao 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   f8a8a48899…cb77d0now      …
  2. 2. Block Merkle root changed
    stored   8158313aa0…ce086anow      …
  3. 3. Block #4528 hash changed
    stored   095806a815…1fb707now      …
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 190 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f8a8a4889979e6df7baae3ca87ebd551a4e68d03b5bf7e46d98f410660cb77d0
  2. 01 L f6a3cebcdbe95c2dc810582bbaded837b0903fe889ee55591f3134958c72fed7
  3. 02 L d110055e54ea5366acf92178ee4fc003d1b6e57ffec51e682395e80847d6ae1f
  4. 03 R 752520a13cc99b4197012cc974639c9f736e2f77f988ead2e349f58159682ed9
  5. 04 L 2951ae54d6f01fd4c02827b28b5eea3ae38521ca930c49aec4bb7e905ce53205
  6. 05 L c5f408525dc1d650d9799d5b7de975c50cab860e27ee36629e1000ada19a648a
  7. 06 L 0b43074a62e79404f2152a66b407a3e54a0590f9711c5a014cb4db05f7905d12
  8. 07 R 52d3f37d27ad3b7e9788f433b3e0ecc50f0675063cbe7f5faf31f8566c777db9
  9. 08 L 8d6f48da4d057788db9b93a8c495bba84e97591746cc1c96647ee2be9f8907cf
  10. root  8158313aa01f2ec2c0c1ca5f640bb31e09b2777a52c7a244339e0808b6ce086a