Skip to content
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 ₱2.9M contract to SIFFU ROCKS CONSTRUCTIONNational agencies

Transaction hash:
033fc4f8ea13fe1106561a85288b92116240353bd840567a4ca73a42f06d9c38
Status:
Included and unchanged
Block:
#4,381 1,632 blocks after it
Position in block:
Transaction 3 of 345
Award day:
Mar 5, 2021 (5 yrs 8 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 #4,381 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 2021 LP", i.e. the FY2021 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 2021-03-05.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21BF0049: 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 2021-06-23). 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   033fc4f8ea…6d9c38now      …
  2. 2. Block Merkle root changed
    stored   5705d454b3…db2c2anow      …
  3. 3. Block #4381 hash changed
    stored   62e450eb83…3802f1now      …
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 344 records. Each step hashes the current value together with the sibling shown.

  1. leaf  033fc4f8ea13fe1106561a85288b92116240353bd840567a4ca73a42f06d9c38
  2. 01 L 01e5bdb170ff83b582f1816b124188c388a5d9cedb6ffffe529ec33d78e49c44
  3. 02 L 4ad6ce591e6cceaa1b4b6aa9103942150398089c18b8c20dad0455aa71517ce7
  4. 03 R 1f1e668f07a2fcacab335e4b28ad2023e1b010bcdceedb6889be02aba7d09a37
  5. 04 R e1e13491689f3b19564f20513234c5fd27861747b43d46db90de72108c0a0922
  6. 05 R 429c14dff09c725063adef6f59ef7e88d556a67472f5057a348e503374e09261
  7. 06 R c34446056d2e7599d638d7510267881ec748127ab81184a29ea7555b87a293ca
  8. 07 R a692906a11deab599c9f9e34073d67f2de93dab94b5e62d7104631df07e47f88
  9. 08 R a27a9e6e4fbae1d1ab375ddd95463a38b83d5d83907088e44461c3e4dcd67dd7
  10. 09 R 90e8de663e57919eac7fb59c5a80808bf280e123bb13c4c7d3cfe25edc39986c
  11. root  5705d454b3dba44eb5a82b3fee73726b3bb13e8e073e9b1238217ecabfdb2c2a