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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 - REGION XI Award a ₱169.6M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
5d631ffdb667a35d760258f66a41cef74c4c273c6c2f966d2dc160c0437b8b55
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 128 of 315
Award day:
Jul 21, 2021 (5 yrs 3 mo ago)
Value:
₱169,642,364.11
Project:
21L00098 ROA, NOA, Contract & Notice to Proceed

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 #4,514 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 - REGION XI awarded it to ALGON ENGINEERING CONSTRUCTION CORPORATION on 2021-07-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21L00098: 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 2024-01-07). 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   5d631ffdb6…7b8b55now      …
  2. 2. Block Merkle root changed
    stored   e20263e9c4…677708now      …
  3. 3. Block #4514 hash changed
    stored   b971c7bf85…0bc90bnow      …
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 314 records. Each step hashes the current value together with the sibling shown.

  1. leaf  5d631ffdb667a35d760258f66a41cef74c4c273c6c2f966d2dc160c0437b8b55
  2. 01 R 5d95ca99e915de26747fe00c68bb4be61bda661f42f1d96b1988e3afde9087f1
  3. 02 R 480ae7c0d861d891c7aca2b2edc0597d35677ddb1129030697159f75ec483bbd
  4. 03 R a22744270dd59b36a63803c8d504f4b79c735ccca5bf2e87de32038931302d5d
  5. 04 R 0049000911f08f4a05eb415d174fdad84de72eed75a389625c1db401e9d7f94b
  6. 05 R 58dc3c36484e6155cd833675a08554de8628bdb36c92399d9b48b8b49a769ecf
  7. 06 R c807c1264011fd0f1a5532c36a0ffd9aa2d7b2e58ce44697ec2e56b798c48631
  8. 07 R f610f6d9ed34a30d83e01d3d0840d75b721af97e2dfa4f765989015244b4074f
  9. 08 L ce7cbd9548c07ff800d6c736377e804f7c4b678dad6a69a70979b8c04295c0b7
  10. 09 R 28dbf0e70ea2e5e042cbf6b70211f1c9ead32006b2774eae6349491e6c660b30
  11. root  e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708