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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 - ISABELA 2ND DEO Award a ₱48.4M contract to SIFFU ROCKS CONSTRUCTIONNational agencies

Transaction hash:
aba7e6b586fab4b5b74bc25087016651e2c822edc24695e66a057df86bffc9fa
Status:
Included and unchanged
Block:
#4,917 1,096 blocks after it
Position in block:
Transaction 146 of 196
Award day:
Sep 14, 2022 (4 yrs 2 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 #4,917 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 2022 CSSP", i.e. the FY2022 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 - ISABELA 2ND DEO awarded it to SIFFU ROCKS CONSTRUCTION on 2022-09-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22BF0079: 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 2023-06-23). 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   aba7e6b586…ffc9fanow      …
  2. 2. Block Merkle root changed
    stored   f6fb21de8c…b18ecanow      …
  3. 3. Block #4917 hash changed
    stored   312d8cbf35…70ed3anow      …
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 195 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aba7e6b586fab4b5b74bc25087016651e2c822edc24695e66a057df86bffc9fa
  2. 01 R ad3bbe5ab585d51e214702da43b32280cc3363592b0f4e788febf2aa2501bd80
  3. 02 L c657c80dea218cb049434a4c3570d90197ba82ad79dba0a05467af16d68601fe
  4. 03 R 721b5f9b41a62ace9889fb6eb427c1f6135946e951196878aa4f9365c4d4f489
  5. 04 R 152558852b3d11829dc7e677a6e0a186e3eeb7f7225339062a31a264068671d6
  6. 05 L 332d9fc38d90d19f76d7a443cf04cccf39f8cc88a6866444ef9f2168d87b012e
  7. 06 R 8bf7e561f98478c9f46370f8f78fa581422b66a710c3ffb8a61e991258bb2ea4
  8. 07 R 8747e94ede18008f37b75d5dd25986b8c1da6c4a3a6ed58eac5c30fb23617655
  9. 08 L c186658aec1e6b1ab995af3f7fc670c38f59e6a3ecf424e30eca7a4b77a3e016
  10. root  f6fb21de8c96162c3de4f469a5d66c6db6dd9c5e6a3658c1a821e279e0b18eca