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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 - BILIRAN ED Award a ₱476.6K contract to W.B. ALAGAO CONSTRUCTIONNational agencies

Transaction hash:
ddf8790241bf91c7eab7e95dfc7fb26316fb8d08ff7d91cb6fce19797a200441
Status:
Included and unchanged
Block:
#4,024 1,989 blocks after it
Position in block:
Transaction 284 of 324
Award day:
Feb 14, 2020 (6 yrs 8 mo ago)
Value:
₱476,550.00
Project:
20IA0031 Rehabilitation of Multi-Purpose Building,

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 #4,024 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 2020 LP", i.e. the FY2020 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 - BILIRAN ED awarded it to W.B. ALAGAO CONSTRUCTION on 2020-02-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20IA0031: 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 2020-04-24). 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   ddf8790241…200441now      …
  2. 2. Block Merkle root changed
    stored   76c5db5658…4ea642now      …
  3. 3. Block #4024 hash changed
    stored   f841ca7e30…155a38now      …
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 323 records. Each step hashes the current value together with the sibling shown.

  1. leaf  ddf8790241bf91c7eab7e95dfc7fb26316fb8d08ff7d91cb6fce19797a200441
  2. 01 R de556474c083873c5c4ec2d4be95ff2b8d779e4b2bf2754eceaf3ac9730b04b8
  3. 02 R 57bf22e29792f642cd99b1b4f865ef74f8bc9e532cacb72888ea76bee6b58633
  4. 03 L 4a011507758a4b8296c00e38016eb48b1945db192e5bc41b37eeb1d0c1378116
  5. 04 L 1206f6ea0a4662a316f295673fcaea01bc0960c26e93c1c7c6f6750e0030815c
  6. 05 L 84311bd48220d584143acdfa6a50a5bdc779372d734201ec6202e67ded41b8bf
  7. 06 R ded10e5bc27b3128a5d10e6ffa7ee9e594f61722e4542cff0d1309b2f0ee3617
  8. 07 R d0d18bdf010e7a09fa01e3c22a7accf77a15ffa9a74f63d5f91140b0364e22e6
  9. 08 R 69e8efc6c1bc4a0edd8577045c7197388b45691216d61706c0630bc9e281d9ab
  10. 09 L 9305bf42e2cafad0d94c5bc04f2fade1bb8043facf98c82c6d55b83f3ac226e2
  11. root  76c5db565877308efe9e603f7c86f4578f28ff659935036d26ae5bf5b84ea642