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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 ₱265.2M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
69b3e91c47908bd8e87342ab4b48c1af6f091bcf3e1f56af7e26e11994f55d66
Status:
Included and unchanged
Block:
#3,938 2,075 blocks after it
Position in block:
Transaction 114 of 265
Award day:
Nov 15, 2019 (6 yrs 11 mo ago)
Value:
₱265,178,217.30
Project:
18L00188 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 #3,938 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 2018 Augmentation", 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 - REGION XI awarded it to ALGON ENGINEERING CONSTRUCTION CORPORATION on 2019-11-15.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18L00188: 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 2021-05-29). 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   69b3e91c47…f55d66now      …
  2. 2. Block Merkle root changed
    stored   463c20465b…909753now      …
  3. 3. Block #3938 hash changed
    stored   1b8f6e8e3c…e36ff6now      …
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 264 records. Each step hashes the current value together with the sibling shown.

  1. leaf  69b3e91c47908bd8e87342ab4b48c1af6f091bcf3e1f56af7e26e11994f55d66
  2. 01 R 69c93a23e7b15e43aa7da9ca15f6e2f8a4b1f6d11eddecfcbe30ca850b05e78e
  3. 02 L f532edf8fc40597b9121e555397cf767a3226071a029bd6223a21f4f81675a6c
  4. 03 R d53138652faaf8fc1720d2dcf2cc3197f52ab7525f95d0027fcadd8f1ac48090
  5. 04 R bdc591afc887e2f263f1c3f8394fd220f3ec882a69b7821109d16f7af6074464
  6. 05 L 231d98e23d226a2cea043f382a46dbf403b2c553be7d85e2b5d686612b4a09cd
  7. 06 L fd91936d852274b7c42a7f9c4c7314b1214dacd3a32149a49a1c968489e6dd6e
  8. 07 L cc071592ae05a1d0369182ccc7a21ebdb7344071e794b93b4ca9385a15b2fbb7
  9. 08 R b1a849c342e64b4c70594f3e23367417fa7b573af8b47b5066daff9dc9522068
  10. 09 R 269c0104dcebce680cc16034bad9a8f22865880f24fef82251311d3bdfbae79b
  11. root  463c20465b531dd8a578226c1c4557b7ceb75519a6dfc87afaa2e8f881909753