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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 ₱117.6M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
a50cd588322b4846d830c2dfebf61fe8d3bf12c3da745fc354c010b6c17881db
Status:
Included and unchanged
Block:
#4,714 1,299 blocks after it
Position in block:
Transaction 392 of 602
Award day:
Feb 9, 2022 (4 yrs 9 mo ago)
Value:
₱117,591,890.29
Project:
22L00078 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 #4,714 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 2022 CSSP", i.e. the FY2022 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 2022-02-09.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 22L00078: On-Going, 99.36% 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   a50cd58832…7881dbnow      …
  2. 2. Block Merkle root changed
    stored   7f1c034012…8c643fnow      …
  3. 3. Block #4714 hash changed
    stored   5d9b8cfe68…1acc41now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 601 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a50cd588322b4846d830c2dfebf61fe8d3bf12c3da745fc354c010b6c17881db
  2. 01 R a58daf4a96bf6401fb19264fb6ceaafa3286259a67385afdc7ed74355c57a737
  3. 02 R c156104fe16eb87d1b56b7767fdc015428b58e10552bbce66c7e73a18af84e64
  4. 03 R 1b89129fa3309caee87b6f136c15fbce4203a3a1435512e104096958924423be
  5. 04 L 1f70eb1cb165ec0a207bd1b929d48d0d4d6cd8cd136699eb16e5f36ddf872e12
  6. 05 R 75cedd36e5ec84108372a0ff3e8591849597dc9de790576c1a2a7a090aecc3ba
  7. 06 R c6fbe59facea03771c240c342153897d1f7ab692d77f88c0d888c6894b365a38
  8. 07 R 4727018eba3cdb56a7fb34fda5b82f95b062552c9921da251863e8dbabbdfaaa
  9. 08 L 8db73294f008978b88e43778c45b0ef8d22d637433c1a3428275c6223147f0ac
  10. 09 L d2d9d3a30ae0cd7db6927c6a53d6fe3cf7c4377cc42e76c8e462aa972e5a648c
  11. 10 R b14bb91cc23c0c7ca9c437b6b389662d277ab7f92de1ccfc44fb59d579cfebde
  12. root  7f1c034012f45bdb9b7b814b85bd3fcab23ffebd269ba1a28fbfdd4b6c8c643f