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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 ₱295.8K contract to HANGING STONE CONSTRUCTIONNational agencies

Transaction hash:
a8923f2fbeec3f4280fe4489d6fd356482e6e4a81e57e489b0ed8ac12f219666
Status:
Included and unchanged
Block:
#1,938 4,075 blocks after it
Position in block:
Transaction 85 of 135
Award day:
Dec 9, 2013 (12 yrs 11 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 #1,938 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 2013-12-09.
    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   a8923f2fbe…219666now      …
  2. 2. Block Merkle root changed
    stored   bd39d3a9e3…c062c2now      …
  3. 3. Block #1938 hash changed
    stored   80779799e4…52848dnow      …
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 134 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a8923f2fbeec3f4280fe4489d6fd356482e6e4a81e57e489b0ed8ac12f219666
  2. 01 L a8265467a7fd84352e8503168eb4f18f9cf89b66d26324291370764991f7244c
  3. 02 R 2061e12ce0d8854835c8444f3e3b8602a5b5cfb1825bafb97c55f89c3ee4b9ff
  4. 03 L aa0ff2a85cc8ac0f19d6d87b065ce14fe465e1b05cb35fc55613e674e2ff88d8
  5. 04 R a7304e7d3c16f77e4ad867e206c232148ac4ad1479637b0f0d44c0e487c682b3
  6. 05 L c9c4e0b802ca3a1f44391a8a52bd7004eab8eb4feaf70a36817b09be0e4f123a
  7. 06 R dbf7c0c9a66b28064a5d815af09c4190926ef46d36ee7e5d5ccdafd42eaf9c6e
  8. 07 L 436c646a8647b29dd428fe96eb21e2cb4ffdd840e335936b66ccc36a5fe051d0
  9. 08 R ab36544c8976cace91f7161779e3fcba72eb4217f6a70d02b8976d5c1bbdb293
  10. root  bd39d3a9e3f5491400ac0093d6461f459c8595238e9eea0d2920d73134c062c2