Skip to content
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 ₱4.7M contract to NP PEREZ BUILDERCities

Transaction hash:
bc8ea3fcf758e938e56ed3989dd87dd50b34115fce2105a9b9554225a4d859e3
Status:
Included and unchanged
Block:
#3,115 2,898 blocks after it
Position in block:
Transaction 57 of 68
Award day:
Jun 26, 2017 (9 yrs 4 mo ago)
Value:
₱4,694,272.83
Project:
INFRA 2017 (2nd qtr.-3rd 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 #3,115 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 2017-06-26.
    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   bc8ea3fcf7…d859e3now      …
  2. 2. Block Merkle root changed
    stored   f912725299…260bdenow      …
  3. 3. Block #3115 hash changed
    stored   905fa20196…73188enow      …
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 67 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bc8ea3fcf758e938e56ed3989dd87dd50b34115fce2105a9b9554225a4d859e3
  2. 01 L b8dfcf70dcc8439fb8849cd305edf47aeef015c8e6e8107c341a67afa18f30f4
  3. 02 R 632e3ed5fd09345149a519ab8711fa38486f3f4ae186c6cf654b47b0ef65659b
  4. 03 R 6906a48c35a2f177a1f3a89e08825f501c54915c3aeb44b8a37776e1251dd94b
  5. 04 L 0c41a16d94fc5c1b6e60deb349122edc5a020f7426e935893e03b306ce1dfce9
  6. 05 L 70da1b46212ae772e3f212298e0f89b4cc3f00a7ff7d05c61cd77c620df3c32c
  7. 06 L 50bc919729ff6171d17622d447785ff8a6655b8bcf0e0bf3d9c6356dea49f73a
  8. 07 R 20f01313bee691f818262f5e95d3c0acf0099ec319665507012f1a9ae1e066cc
  9. root  f912725299b5eead8696e7397eec9741fa2f5960cb02eec9160ac1923a260bde