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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 - QUIRINO DEO Award a ₱2.9M contract to DALCON CONSTRUCTIONNational agencies

Transaction hash:
5946a8f5ebbdca878de6d0fa342de0efa0e31883bafe02bee98fbc261e53c2b1
Status:
Included and unchanged
Block:
#4,526 1,487 blocks after it
Position in block:
Transaction 118 of 299
Award day:
Aug 2, 2021 (5 yrs 3 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 #4,526 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 - QUIRINO DEO awarded it to DALCON CONSTRUCTION on 2021-08-02.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21BK0041: 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 2021-08-27). 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   5946a8f5eb…53c2b1now      …
  2. 2. Block Merkle root changed
    stored   b1176ea47d…cd373enow      …
  3. 3. Block #4526 hash changed
    stored   a99fbb09ec…a51c62now      …
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 298 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5946a8f5ebbdca878de6d0fa342de0efa0e31883bafe02bee98fbc261e53c2b1
  2. 01 R 59d86d32357f042307ca4dc478ea7fa9cfffd451bf195275b63ace6af69a1030
  3. 02 L ba2bee040038f940c20a176f39c9eb6413d9f9af0e338db61c332615c7baf012
  4. 03 L 22049442619c5701e407f2be2e0073844364060917f1701ad315bbeb7e294219
  5. 04 R 416efb169ce0956ff792db498db5fdcc8dc735ce18feac4fba6de88705051421
  6. 05 L 170ce46016c07edb0e971bfa42a09fa79697b22aa2ae0069e2b77689675b5b92
  7. 06 L cb93ecd7a59ca858c9bd65cad8f7fa106f33f602c0fe78f1a78ec2ce0b5af5d1
  8. 07 L a767585c58c429d8bc7ca90c924dad9c6cc20ced8024e32d0e877caa6e6ab560
  9. 08 R 6f13c19b53d31695308b91f95b69b0e29e301fa3446dee05e7da97b8f6ef89b1
  10. 09 R 8a16ac4770290e7fcbcc1a409ffc1c7e09ea7b1bc1ddd535276e011055989c7b
  11. root  b1176ea47d248e56dee772c32b7b0ce2b6a7c4722856dd730952107fa3cd373e