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

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY Award a ₱698.4K contract to F. CASALME CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
ef12bba8d7a25db5012b6aa273267fb2d457bef74913033f64e81a49d8674cac
Status:
Included and unchanged
Block:
#5,020 993 blocks after it
Position in block:
Transaction 400 of 429
Award day:
Dec 28, 2022 (3 yrs 10 mo ago)
Value:
₱698,390.00
Project:
Rehab of Taal Station - Lower Calauit VTLC

Accountability

Bill Sec. 3 and 19
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 #5,020 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)
    PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY awarded it to F. CASALME CONSTRUCTION AND SUPPLY on 2022-12-28.
    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)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   ef12bba8d7…674cacnow      …
  2. 2. Block Merkle root changed
    stored   f93c3fe3f1…6cb2e1now      …
  3. 3. Block #5020 hash changed
    stored   a61a28696b…d1957cnow      …
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 428 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ef12bba8d7a25db5012b6aa273267fb2d457bef74913033f64e81a49d8674cac
  2. 01 R efe64f81b57ac101bb7fd9572d0a4fdd0cb2c1173616fd11e9704fea32f5aaab
  3. 02 R 4f1c70edd18bef6f9017ea59ac75028782e60fdad114b09c19eb039b855c65f7
  4. 03 R f12380ab8ec09c937db1820bcba6f9568aec8a9fbd88e07494868f208d891e8c
  5. 04 R e29b4b83c8d106072302477244a61b41f6a433d90810aca5fc4d35db75858fd9
  6. 05 L f6f904cb2561af1a6eafe95d26f18b10767047b48c3107619277074c0e2f9d6b
  7. 06 R f41d3a32f73c6e2c170ba5c285af60acf85aba3b7df589cc221e6371ac1262c2
  8. 07 R ba4faccae0b1e36dd713b4e03c77c44fa9471529fc2353705988163707a6d7ef
  9. 08 L e17be49ff279641b74bacb8154fa57a06b89aaee2a32a2ca82c48aac588cc00e
  10. 09 L b9efff1c3b5846b29bde6917c2c842382c761954ffc08d2ee58d927f448b28d5
  11. root  f93c3fe3f1ae8b78ad49733fe210bee8f487b83b68829daeb3f5d369a96cb2e1