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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 ₱792.2K contract to ALTHEA CONSTRUCTIONNational agencies

Transaction hash:
3e69df24a67c8a41973f8a2974fa81b0a782bc0ae38083b10df271db311a0342
Status:
Included and unchanged
Block:
#3,045 2,968 blocks after it
Position in block:
Transaction 50 of 170
Award day:
Apr 12, 2017 (9 yrs 7 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 #3,045 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 2017-04-12.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17AA0157: 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 2017-06-28). 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   3e69df24a6…1a0342now      …
  2. 2. Block Merkle root changed
    stored   2d91f18caa…a303efnow      …
  3. 3. Block #3045 hash changed
    stored   0426daccd8…7bd7cenow      …
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 169 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3e69df24a67c8a41973f8a2974fa81b0a782bc0ae38083b10df271db311a0342
  2. 01 R 40ec1e84382933e2dc30cc13fe80655ce1b3f7a4406060f411a937d7a5c8d1dd
  3. 02 L 06e721d5eeec9758bdc4f932dde7d7c0ddf707117d89902b411d5c0a194300ac
  4. 03 R 5bb7dbcb656b69470c4819415f7b77ae1551504a93b15053225c185a64d45aaf
  5. 04 R 833f791c346774f203d88b6f5e92c7b74c8dea9c7fa6be9dddd484d40fd0e464
  6. 05 L 51c7f6fd525bddb0dffdaa943007d8c62ed9604463cd14ef992e91b29e276ecd
  7. 06 L 592de10e5bf7a9e5746bab61eb455ef77b5aabb4bebb752acb84ea722d89e1ee
  8. 07 R 34185bf054ac54235f7ab9dcd4a1c80c81b4b45cc65ad5d8385e2bf51a0df663
  9. 08 R ef0f2028fbed44c0490bd1beef29151a73f8030040a536e6abd8094bb0ad191d
  10. root  2d91f18caaea7aeda35a8361d5e43bc53023935393454fa063dbcb6cc3a303ef