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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 TAYABAS, QUEZON Award a ₱497.8K contract to TAN TAY LIM BUILDERS AND GENERAL CONTRACTORCities

Transaction hash:
4bc072cb58293b70d7ee68ca362aab648b9bd81e7e40108ff1ab6fe9a07d34ca
Status:
Included and unchanged
Block:
#1,266 4,747 blocks after it
Position in block:
Transaction 6 of 24
Award day:
Oct 12, 2011 (15 yrs 1 mo ago)
Value:
₱497,798.29
Project:
PROCUREMENT OF WORKS ON PROJECT NO. 070 – Improvement/Concreting of Barangay Road of Lita

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 #1,266 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 TAYABAS, QUEZON awarded it to TAN TAY LIM BUILDERS AND GENERAL CONTRACTOR on 2011-10-12.
    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 Tayabas 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   4bc072cb58…7d34canow      …
  2. 2. Block Merkle root changed
    stored   a5003e8e9d…4996ffnow      …
  3. 3. Block #1266 hash changed
    stored   264c000754…d63d63now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 23 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4bc072cb58293b70d7ee68ca362aab648b9bd81e7e40108ff1ab6fe9a07d34ca
  2. 01 R 4db76ad12d21d09c84e47596fea7d67672c34b8478990aaada570b731d80226a
  3. 02 L 582e2b2f334954335d9ad48686dc8f88a4bc2bb0cf79a377abbb6ac578908325
  4. 03 L 4d408be1d9f65ba2e9b7a45535f3b8bbdf8fad298ddc3df36c40b0eaaeb39932
  5. 04 R 75e3f0324dccc9fd0524058bb200f0d689cf01e41e55be420f8266c017a48376
  6. 05 R 3cbd80a2d4db41e544b1eb09be48bfc5293e4bc14d8b37bc170abf8ad90e26e3
  7. root  a5003e8e9d30e7262a629b1bacd32c0d2eaf5c246c110225336d59c5b74996ff