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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 ₱992.2K contract to Z. ANTIOQUIA CONSTRUCTIONCities

Transaction hash:
583e89ebfd9d052e5c30fe356d14add89b7072daed547a1297445f614e2fb8e4
Status:
Included and unchanged
Block:
#3,424 2,589 blocks after it
Position in block:
Transaction 89 of 272
Award day:
May 21, 2018 (8 yrs 5 mo ago)
Value:
₱992,241.76
Project:
Infra 2018 (2nd Qtr.)

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 #3,424 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 Z. ANTIOQUIA CONSTRUCTION on 2018-05-21.
    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   583e89ebfd…2fb8e4now      …
  2. 2. Block Merkle root changed
    stored   baeca8f43d…b8f81bnow      …
  3. 3. Block #3424 hash changed
    stored   b071376e22…71a3a5now      …
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 271 records. Each step hashes the current value together with the sibling shown.

  1. leaf  583e89ebfd9d052e5c30fe356d14add89b7072daed547a1297445f614e2fb8e4
  2. 01 L 56e8ead444c1d2916c517a8672da97116fc801a21d5a0215d30dca365628ed0c
  3. 02 R 49966419a7acaafe244b216d7b3cb96c1a9fb1a1e0a0bdfe05fa42505b8b0597
  4. 03 R ebfb6d677f0dede79c49692293fd6d6a2f44eb9a3a87997d873a1ced35b63a19
  5. 04 L 5ee6918aebaec9e02e47a33d9831a6bd4dacb01413aa10e3cd28c4d53e450c71
  6. 05 L 9c2b04a548077f2140eb393517f8db21a3a9b1852d933c1628de20a888afd4a6
  7. 06 R 782a13f1e91ce1e9b847fb4f62eb2c094e92df8e4cc9a24e2ba44e27ffb91c68
  8. 07 L 2d591cb9dd8d2f09c1f5287abc343710924d2290b318ee874a2d2813deb4068c
  9. 08 R 4191c35f957442790c2b9d2e4e5c6f642a79ad641d0e9749936034e7d059d632
  10. 09 R fcce3e301bf83eaa040ab010a6108b1f6fec968b81eb72724962da860ee7fa3d
  11. root  baeca8f43d25c05fbc24d33d6698801b9c0641ec0dc4c7e30d11672d34b8f81b