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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 - QUEZON 4TH ED Award a ₱38.8M contract to R.T.Y. CONSTRUCTIONNational agencies

Transaction hash:
a67644656a08964c869d493e38519988f48a50eed572e3151d91eca4c2a2a7c7
Status:
Included and unchanged
Block:
#4,290 1,723 blocks after it
Position in block:
Transaction 286 of 436
Award day:
Nov 25, 2020 (5 yrs 11 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 #4,290 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 OO-1", 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 - QUEZON 4TH ED awarded it to R.T.Y. CONSTRUCTION on 2020-11-25.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20DL0099: 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 2021-03-30). 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   a67644656a…a2a7c7now      …
  2. 2. Block Merkle root changed
    stored   0a8aa90194…7e605enow      …
  3. 3. Block #4290 hash changed
    stored   b0ada12afd…4f89dfnow      …
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 435 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a67644656a08964c869d493e38519988f48a50eed572e3151d91eca4c2a2a7c7
  2. 01 R a7c02964e003a9dd5f4a6af2f55530864968961e5c43753489eef901bee360cd
  3. 02 L ce9db9c9bd31b12a6f03240d273a80e223c2d8ec1172cc968a32ce60632854c3
  4. 03 L 0257c46f71cdb2668980a1cf6e57d45b5358136bacc59886f8efccd904c547f5
  5. 04 L 19f3ffc21fe9ba146e05abc93ef5c29949915fccbc4a282e2948f1369f9ef2c2
  6. 05 L dffa915f0c8115e8613d70396556cd029628457327359c907e0763c6172ec033
  7. 06 R 34cbd31c409816f37c714b47834e0f204b046e9eaad3f5b563262f0c2eef8283
  8. 07 R 5f856f0954cc1e59e27c793024ec8d92fcde040b5dd4f487726e676e0178beb8
  9. 08 R 77606a1eebf1e5fd1f28b074c587478bccd030bc0107582d4c1868c2e45d365b
  10. 09 L 508bd9992fafd074a218fc7017aa642fd333bcc98bfd6819f108e62efec96dcf
  11. root  0a8aa90194bbb0447bd26be57d4ec2ab6a284d944a8c56dbbb21ed978c7e605e