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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 TANAUAN, BATANGAS Award a ₱2.5M contract to NP PEREZ BUILDERCities

Transaction hash:
320fc75cbe4b599e8a3cc82c4d7c337fec9157a3067b5baba6fd2f56969abe89
Status:
Included and unchanged
Block:
#1,899 4,114 blocks after it
Position in block:
Transaction 8 of 80
Award day:
Oct 24, 2013 (13 yrs ago)
Value:
₱2,494,685.51
Project:
Construction Projects

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 #1,899 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 TANAUAN, BATANGAS awarded it to NP PEREZ BUILDER on 2013-10-24.
    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 Tanauan 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   320fc75cbe…9abe89now      …
  2. 2. Block Merkle root changed
    stored   09768f6bad…a54bc8now      …
  3. 3. Block #1899 hash changed
    stored   bd2740e60e…3a5bb0now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 79 records. Each step hashes the current value together with the sibling shown.

  1. leaf  320fc75cbe4b599e8a3cc82c4d7c337fec9157a3067b5baba6fd2f56969abe89
  2. 01 R 348677be2c01d36a390ea5f8ea28d9c8b0464141e65545822e6726df81f2533e
  3. 02 R f448b7ddd3acde3cfa7a468c655f9afccec69c095ac0fbe87805ac6d9712f5eb
  4. 03 R 7dab887d683c0707ec87b95e0135cb4b212c49c04ace77febe3a2648030faeeb
  5. 04 L 93ecd41789c391e5aad493f6378872fd1d412cb00772858652d8f455d6f362fd
  6. 05 R 6926d743466ef6c8b78ea51683a8240dd16a366891419176a7df23b7db286b3a
  7. 06 R 91a5c1e27e8e38db974aa286cc0b2cc9eb241b10eaf8b2b547ce1335b867d7d3
  8. 07 R c20dd4c46c251b30b362d36f8e58a1a72169fcfaf1f8e253307278db0cb321f0
  9. root  09768f6bad10aa4f77eaf9387e0a12816ae6441b7f049615c1d1cc8cc1a54bc8