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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 ₱2.0M contract to HYL CONSTRUCTIONNational agencies

Transaction hash:
74407ecd88d7becdc76ea35ff91849b1c9a974f714493cf28cc5e75b80d13301
Status:
Included and unchanged
Block:
#5,026 987 blocks after it
Position in block:
Transaction 90 of 200
Award day:
Jan 3, 2023 (3 yrs 10 mo ago)
Value:
₱2,038,220.80
Project:
20-meter Tower Mast for Kanlaon Volcano Observator

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 #5,026 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 2023-01-03.
    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   74407ecd88…d13301now      …
  2. 2. Block Merkle root changed
    stored   fdf01a3d6c…2d04d2now      …
  3. 3. Block #5026 hash changed
    stored   92aa4d46d2…363295now      …
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 199 records. Each step hashes the current value together with the sibling shown.

  1. leaf  74407ecd88d7becdc76ea35ff91849b1c9a974f714493cf28cc5e75b80d13301
  2. 01 R 74d3f579fd5ff0a269262a1d8902a5dbb9107e3f420a7d1d44680205ca442836
  3. 02 L 8d98585f79befc19526af0c6c0c2581688569bbae43b5884dd8ae78013474202
  4. 03 R 315a5fad0073de54388bc327647816560dc852e0b67bc6a9aef3ff79d2ebcdb1
  5. 04 L dff588bd3906c0e1c25c2dcfe4f3b58609b1b8b5ce8af3e1cff544e3625a6107
  6. 05 L 0edda6acaf5384509dc655d9dc694b749481ca48761920bc4abb7601e8545604
  7. 06 R 6b7a43c370023c75e22be4ea7ce125788ac187a537fdd35701f8fd9ae67f5d83
  8. 07 L 417384c459c997d0aa64740e2c9dcf1be95804dbbc205030f4a5daa12ae4ceae
  9. 08 R 8f9cd3e26d3b67da3d2ab29cc91c668d079644a8c3b0c6795e3b2aac60459dd1
  10. root  fdf01a3d6c6f4df5d6311e798706bba59740a97f16e6dca1fe584de8272d04d2