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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 ₱195.0K contract to HYL CONSTRUCTIONNational agencies

Transaction hash:
6156746ec4fdfbb4bfddd2d01aad29a1ffdd96db3c176d8759092e44606657cb
Status:
Included and unchanged
Block:
#4,875 1,138 blocks after it
Position in block:
Transaction 63 of 159
Award day:
Aug 2, 2022 (4 yrs 3 mo ago)
Value:
₱195,000.00
Project:
Borehole Drilling

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 #4,875 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 HYL CONSTRUCTION on 2022-08-02.
    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   6156746ec4…6657cbnow      …
  2. 2. Block Merkle root changed
    stored   44fffb1869…f6bd77now      …
  3. 3. Block #4875 hash changed
    stored   aee4ecbf40…d64576now      …
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 158 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6156746ec4fdfbb4bfddd2d01aad29a1ffdd96db3c176d8759092e44606657cb
  2. 01 L 60edff465b8dac78e5d8bca17252a56a5ebd616b063975baad2135f57e53728a
  3. 02 L ee98246b0befb98729417a74b91d88f81c576ba786930df17d4fb0c5fb10bc81
  4. 03 L e4c34cdb8a0e613654a5de85b3bcab3562916fd31fd4e984af44da71e49935a4
  5. 04 L ea89d0ce933d07f6d0ad693e8a862b26623901f34fcbd9de65b0a302307c7136
  6. 05 L 79a306df75b928ce5116ce5f064d41a4298d5ab7d52752a758a8fd6e86d97cb4
  7. 06 L 76e0c623dd97c03c9e935dc27c6f989457749e8a84176c35ee8f5e13d511d7ff
  8. 07 R 6b4d3b3c071c2ea01289dfd5843652966382cb9ea980d79fa124cb17c05ffb6f
  9. 08 R 60efa7777f174eb63cff54396dbe576433c825e5c8e0c983d27633e9306d57fc
  10. root  44fffb18690096570325c8f08b8b050ec868ce4fa2aa5ccd0c18c6bb3ef6bd77