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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SIQUIJOR DEO Award a ₱4.9M contract to LA PRUEBA CONSTRUCTIONNational agencies

Transaction hash:
fbdcb6250028c562e05e8a7a2ad165f6494adb0467848e6cdc231a41a0c6946d
Status:
Included and unchanged
Block:
#4,239 1,774 blocks after it
Position in block:
Transaction 286 of 292
Award day:
Oct 2, 2020 (6 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 #4,239 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)
    DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
    Partly
  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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SIQUIJOR DEO awarded it to LA PRUEBA CONSTRUCTION on 2020-10-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20HM0081: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2021-06-15). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   fbdcb62500…c6946dnow      …
  2. 2. Block Merkle root changed
    stored   0c3d8c06a5…cafbf2now      …
  3. 3. Block #4239 hash changed
    stored   308fd680ea…2c4846now      …
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 291 records. Each step hashes the current value together with the sibling shown.

  1. leaf  fbdcb6250028c562e05e8a7a2ad165f6494adb0467848e6cdc231a41a0c6946d
  2. 01 R fca99956ce7b112c25742ae84406cbbc8bfe408686d48b1af5c2b96e6d925acd
  3. 02 L 656cb25a0c27d02ecd4cc91277a210873ffba4ca882a459ff91064741c1e36b8
  4. 03 L e291bc21e9e5cac28e28a19f8c733dd814242efcc625ca09aab4551aaa205211
  5. 04 L 4f55216459082350bd52adb919d324687b1bd31fa8b5894ae1093134d185bd80
  6. 05 L 2a170e94ad9e5bdfae53638b268e42f15c280e0338f427ee801d60e049ef0183
  7. 06 R 6f746825077455ce02988834c0de9108f3ba760cfd895178c0b4b433c7db05d6
  8. 07 R 15c758023def39ccb5a635494d45a1ef96798678a197154469b694e24db72cb1
  9. 08 R 9b760340c8a01143b964a08611ef58bbc05f4b52c5c4292b2d259a7eb497115a
  10. 09 L 70bb0e938938410e9d0b1c5b52945ed37f833146567a36d91d1b4bf264c76f30
  11. root  0c3d8c06a57b7c092a67c1805671f7963af3c1c122a7d1002e76f847cdcafbf2