Skip to content
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 ₱192.9K contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:
e89d078d76d720bfd157c2d2ea5965639ea1bf74653ca8689dbe4283ba910be8
Status:
Included and unchanged
Block:
#3,248 2,765 blocks after it
Position in block:
Transaction 265 of 286
Award day:
Nov 17, 2017 (8 yrs 11 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 #3,248 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 "Outside Infra - GAA 2017 DepEd BEFF", 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 2017-11-17.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AA0457: 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 2018-01-25). 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   e89d078d76…910be8now      …
  2. 2. Block Merkle root changed
    stored   10a9fbcd26…e71867now      …
  3. 3. Block #3248 hash changed
    stored   df97725c15…d865c4now      …
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 285 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e89d078d76d720bfd157c2d2ea5965639ea1bf74653ca8689dbe4283ba910be8
  2. 01 L e85e6e847190afe0071b2d7d9ba2e5dc527cb0b25903f39da2d1aa440cad4b97
  3. 02 R 0bbcb153623d5e2647f58dd658f759b7b8d010a1d2c27fd1a698a5b635ad2264
  4. 03 R 4f3e7355bd34fd7fdde91c8f4b3fca55ef46d2a3fd1c367238a7eaf5d10ef70d
  5. 04 L abfd4acb8ab76df2d8752a9ad15dc2bcc406baf675d1023fb1f99cb4ce54b6dd
  6. 05 R a398fa08a6e3ee15bceeacea4d8490e801fe4b0944113718514f69d9034352ec
  7. 06 R d242f594ad63834ddc56494a84a9de45116574b7a2cc9b90b884de5df18ac59f
  8. 07 R e777b2985bd15f16aefd87120553088dff17f920dd414bcf54195a2312f84966
  9. 08 R e7f597fbdb4d23cd0799648845d8226980735bcb107d3ef92110e5323f378088
  10. 09 L 39a6db061ce48832344cfa2b1d89a560dda76944dc9cc0f8bdb2297bc6f1edf4
  11. root  10a9fbcd26cc7442f11cbbd8e3fb5786d1729ca96684b01435551238ebe71867