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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

PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY Award a ₱992.9K contract to HANGING STONE CONSTRUCTIONNational agencies

Transaction hash:
d2cf51bc3b799db7a8cc4a48aceec8ad473d2964874b534c874f62a4cd7f6ff6
Status:
Included and unchanged
Block:
#2,526 3,487 blocks after it
Position in block:
Transaction 177 of 213
Award day:
Sep 22, 2015 (11 yrs 1 mo ago)

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 #2,526 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 HANGING STONE CONSTRUCTION on 2015-09-22.
    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   d2cf51bc3b…7f6ff6now      …
  2. 2. Block Merkle root changed
    stored   724181b566…305466now      …
  3. 3. Block #2526 hash changed
    stored   c16ffb527b…f67694now      …
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 212 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d2cf51bc3b799db7a8cc4a48aceec8ad473d2964874b534c874f62a4cd7f6ff6
  2. 01 L d2188fd0f50809f554a161990e17389fba3d6cdbc6a2f376f69a41885df063f2
  3. 02 R c6fbc80798fc64404fafa5c325262a2c96749af4cfd8760435574dab85eeaef3
  4. 03 R fc852f572f849a484c2cf6b32321660c004076829733c807530ba83ca8ecd36f
  5. 04 R 487248ed6ecb0ebee2cd0dc7a90022111429c4862a23b66eef5e5aa75e8bd335
  6. 05 L 9b4d524557ce962dae6f47fd303e0ceeb7c3cc66b1071c7a20a164c95809d829
  7. 06 L bb497ca6fdb1dcd4df7d08cf3c0f7ee0f5b67f813b3681dc395ba8b38ec34593
  8. 07 R cdcbd7ff21b3716f81480d5527f436f8ab0abec3d055f102d03fb17e2b99a0b5
  9. 08 L 089f5eeecb3d1537349bd7341fea107e7dc89e913ae5d58c7fb459c4a8e7394a
  10. root  724181b5666ff2f757f97bdf4a1e1d08139c7c1681aba5f7ed725e10f0305466