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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 - ZAMBOANGA CITY DEO Award a ₱19.4M contract to LONG ISLAND BUILDERS & CONSTRUCTIONNational agencies

Transaction hash:
f8504aae293e2bc782cd63eed42f0a635e53ff5b80a9817003d351cca9947132
Status:
Included and unchanged
Block:
#3,502 2,511 blocks after it
Position in block:
Transaction 6 of 7
Award day:
Aug 11, 2018 (8 yrs 3 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 #3,502 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 2018 OO-1", i.e. the FY2018 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 - ZAMBOANGA CITY DEO awarded it to LONG ISLAND BUILDERS & CONSTRUCTION on 2018-08-11.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18JA0009: 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 2019-11-04). 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   f8504aae29…947132now      …
  2. 2. Block Merkle root changed
    stored   607fd113a2…053d87now      …
  3. 3. Block #3502 hash changed
    stored   5830dc230a…9ccd27now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f8504aae293e2bc782cd63eed42f0a635e53ff5b80a9817003d351cca9947132
  2. 01 R f8504aae293e2bc782cd63eed42f0a635e53ff5b80a9817003d351cca9947132
  3. 02 L ac88b2e703228d196c7f0ecc1809273990bac00da61aeb15673783791f142fc2
  4. 03 L c361f00595262c89fb31b86ac7244bf0185a2b150d0cbc0375d2a58637c02fb9
  5. root  607fd113a294942843ce4cb487d941a389a0c0871ddf1d2c1e89d548f7053d87