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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 ₱996.2K contract to C. CASTILLO CONSTRUCTIONCities

Transaction hash:
e499eb6abd7f546f83a366aee2eecc3e2134f804ff07ca365c734e19ce088b78
Status:
Included and unchanged
Block:
#3,584 2,429 blocks after it
Position in block:
Transaction 194 of 227
Award day:
Nov 8, 2018 (8 yrs ago)
Value:
₱996,201.27
Project:
Infra Projects 2018 (3rd Quarter-2nd Batch)

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 #3,584 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 C. CASTILLO CONSTRUCTION on 2018-11-08.
    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   e499eb6abd…088b78now      …
  2. 2. Block Merkle root changed
    stored   2c74236ec8…d9b781now      …
  3. 3. Block #3584 hash changed
    stored   1c3f233328…d4ae50now      …
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 226 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e499eb6abd7f546f83a366aee2eecc3e2134f804ff07ca365c734e19ce088b78
  2. 01 R e55b0096ca226f97d2321a3e80b4c2209c271162a6173fd53abd6b1d668c6cc9
  3. 02 L 42217671bfb2dfb071ba63811dd6aa289fe78ad0cbb10d946a8f60c76ec5c379
  4. 03 R af10371d14b13b98631223882223f4910ba577d7170af33e8c403e101e62a801
  5. 04 R a03b808e434c618bf203a3340defdfca695bec3133e7de0ae65af7b841198695
  6. 05 R f58edcc2cdce31f2f8c96911fd1de3dafa7705f0abd8517e2a2f63daadeab706
  7. 06 R 7206ebca91cee4da759368a0b8bc7b3cc59ea980b1eab45abccf5d38521aef4e
  8. 07 L 0a61fa729d4c658e01ba73e57c8e40fafa933976873ca5ff3285c633c5f85025
  9. 08 L db9023613b50a18a7be43fa13d63dc6a548ca194f49e8d43329cd6f2b18c0483
  10. root  2c74236ec860abbabf5b7761dc7af61d7e214765348da125ed66a5b7d7d9b781