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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 - ILOCOS NORTE 1ST D Award a ₱816.8K contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:
285ed5d79f0ee8a919bd5c4ebe2697205154f9d4ab5405ba3cf82623c2374ed2
Status:
Included and unchanged
Block:
#3,105 2,908 blocks after it
Position in block:
Transaction 23 of 134
Award day:
Jun 16, 2017 (9 yrs 4 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 #3,105 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 2017 LFP", i.e. the FY2017 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 - ILOCOS NORTE 1ST D awarded it to ALTHEA CONSTRUCTION on 2017-06-16.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AA0292: 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 2017-08-11). 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   285ed5d79f…374ed2now      …
  2. 2. Block Merkle root changed
    stored   2be93d4eef…530051now      …
  3. 3. Block #3105 hash changed
    stored   4c4de826b8…bee71anow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 133 records. Each step hashes the current value together with the sibling shown.

  1. leaf  285ed5d79f0ee8a919bd5c4ebe2697205154f9d4ab5405ba3cf82623c2374ed2
  2. 01 L 283c97eaeadcb0643b37f33ca78cfe374ed528c7ae71e53c8290c1fa5dc837b7
  3. 02 L 17d64560d158385359cc5cdbbe2df0a4a86d8d10dfcae244a5bc30e18333b96f
  4. 03 L 86ebcbb65e03ef22dc73e41aa27ace045a17ca68e5ba038e6f55e5bf90d98877
  5. 04 R 9f76f92a0381883eb54026bc14f72819c6d67e84712df42caa6a8a0677f3b835
  6. 05 L 2d5d8934e23e785aa40881a41064ce66d685cfa4b7feae9a2a930888e58d3655
  7. 06 R ec53fd1801cea1161603652fc4858fa39f28a8f304f0cda868d4fe80e64c62e8
  8. 07 R 54558c15b2a22f3716a60bf1048592564b75328160038db53c4d109b09db7f71
  9. 08 R 37e12e13af76fa5a926c423fcd6399734e14b570ac692606f3f701d14b8f64f1
  10. root  2be93d4eeffbf06abfcff879ebc2f6e1c3ef7f8f48a5f32943b4b7e13d530051