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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 ₱2.0M contract to T. SOLOMON CONSTRUCTION AND DEVELOPMENT CORPORATIONCities

Transaction hash:
e77df5c012766b7ea09de485ed4d33cc57ab2093012641b71e07e75d2d12e3b1
Status:
Included and unchanged
Block:
#3,693 2,320 blocks after it
Position in block:
Transaction 212 of 232
Award day:
Feb 28, 2019 (7 yrs 8 mo ago)
Value:
₱1,997,084.63
Project:
Infra Projects 2019 (1st 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 #3,693 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 T. SOLOMON CONSTRUCTION AND DEVELOPMENT CORPORATION on 2019-02-28.
    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   e77df5c012…12e3b1now      …
  2. 2. Block Merkle root changed
    stored   776b572e42…b5988cnow      …
  3. 3. Block #3693 hash changed
    stored   42ab4d3edb…3ec301now      …
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 231 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e77df5c012766b7ea09de485ed4d33cc57ab2093012641b71e07e75d2d12e3b1
  2. 01 R e8b422a4a3bf3a8bec4fc089e1f2a47561c5c1fe96594613e915462b6cc4370b
  3. 02 R eb536abb13003414c7193bb499045ab099eaa0ac9e74abe84abd5892090ed5e7
  4. 03 L bd2af95a36faf1217b732482dbf30a25386158fe42c9e51c59211a11dc678b0e
  5. 04 R 10da533f412ebcd7bcd9cd317c3e20b403a92de98b6bec89775ec0f181714f2d
  6. 05 L effa5adbcd8168ebf381691fde1c71dffbd614c0e957e4ed2eb51bbd8a97f230
  7. 06 R 89f5ac5cb215b2a4cf51faa00f47f30ebae53e721f7d3bf980f704a6195fff47
  8. 07 L 6823f7b8a7168e05ac6422f74c5a23043b7df9323f08ff2b2181c30a5cbf3888
  9. 08 L 4ea0b2580fc6cd6b98a5a7a11a52c74074a4da1f06c2e28efbc02f74a4d1e0f7
  10. root  776b572e42d75f4b7cc72f3511b350a6f08d0de5b285655c3a948b9ee5b5988c