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 - TARLAC 2ND-DEO Award a ₱50.6M contract to B.K. SY TU CONSTRUCTIONNational agencies

Transaction hash:
10bba803dd71b9ffe15ce6fc6dde285cff5a60860629e7be96aca43595a4ff91
Status:
Included and unchanged
Block:
#3,505 2,508 blocks after it
Position in block:
Transaction 15 of 181
Award day:
Aug 15, 2018 (8 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 #3,505 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 "Outside Infra - GAA 2018 NDRRMF", i.e. the FY2018 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 - TARLAC 2ND-DEO awarded it to B.K. SY TU CONSTRUCTION on 2018-08-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18CK0155: 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 2019-01-26). 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   10bba803dd…a4ff91now      …
  2. 2. Block Merkle root changed
    stored   fa89079751…fab6e9now      …
  3. 3. Block #3505 hash changed
    stored   83a4bb7233…79bb6bnow      …
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 180 records. Each step hashes the current value together with the sibling shown.

  1. leaf  10bba803dd71b9ffe15ce6fc6dde285cff5a60860629e7be96aca43595a4ff91
  2. 01 L 0f915d43fbff86725c4f85f8e10515dcffb85eba87340ceb47f17cf8f9dcd985
  3. 02 L 688bc2f1dc782105d1c925e92820656a73d8ddcda8cd13816be904b077938a6d
  4. 03 L 40e3467eb3320b1f7ca7e2cefc33673ffcf5430d0e70250928ff4a9bd7754130
  5. 04 L 4218c99d4cae22fe28d4e3519fd72971a06d34b2332496d0f36c6d8d179244d1
  6. 05 R 89a0f399d6e383f3309a49775d38ee801f15faf8dd9a8ed38f6c430cd94d4e2b
  7. 06 R 504d469d939fcebbc51749e9ccdb59dab461ae6602da6b27fc855e822281dc7c
  8. 07 R acc396fa2ad1ff0e2bb32f2141bbc6a42876901508188bbc82413fb8c08bcab9
  9. 08 R 426a295ac1ea5b70b5deda788c136a5d56c825fb0bb4cc43bec5eebd158ddf1e
  10. root  fa890797510f0fd8b98dbf1491bf5726e2c7f84c0d01fc61e7ae7fdb4ffab6e9