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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 ₱73.9M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
246fc41b6222fd597fc0bbad4abbd89d247afa7676d0ff64d9b425af8034e563
Status:
Included and unchanged
Block:
#4,393 1,620 blocks after it
Position in block:
Transaction 54 of 425
Award day:
Mar 17, 2021 (5 yrs 7 mo ago)
Value:
₱73,874,789.12
Project:
21L00092 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 #4,393 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 OO-1", 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 2021-03-17.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21L00092: On-Going, 99.34% 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)
    No completion certificate published.
    Not published
  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, 1 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   246fc41b62…34e563now      …
  2. 2. Block Merkle root changed
    stored   8c5ffcb059…f2195bnow      …
  3. 3. Block #4393 hash changed
    stored   02c39b414f…28ab51now      …
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 424 records. Each step hashes the current value together with the sibling shown.

  1. leaf  246fc41b6222fd597fc0bbad4abbd89d247afa7676d0ff64d9b425af8034e563
  2. 01 R 249678a8a4e84822237d6c0a026a507401c23a1c9de57474cce26c78bb5f2b22
  3. 02 L d023e81e74de3cd28e50435f9fe16cda47823c94613510332bc893ef9f6fa05b
  4. 03 L 6c5fc079b9beb53db5047983df99d119835d006bac750d629095448d10050106
  5. 04 R 5f6c6fefe563c376e210dfad85e944ca313d5d9183995a2abfdb98a15c24718b
  6. 05 L fe228cf650953851117dfb75e7a124f6c6f672c0d98cdad09728870cbbee0d20
  7. 06 L 49b2ceba28618819cbba38e9c587c32a303bcac38ddd71ff14304d53d14de606
  8. 07 R b5f6888e3722c404c7c3ec87967d1187034e564b8b53c1ee3354ff5f8935c146
  9. 08 R f85c75d43f807d45e02707eaba0715a9dc79d642d88737ebcc417aa138419a39
  10. 09 R 9bcff72a971b0cef099acf094cf596f94f7d2a4cb1121b13b4b53ac10fde9a4a
  11. root  8c5ffcb0596443fb0270746722bffa990b1f15bfb85c464f8eb41dd995f2195b