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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 ₱2.9M contract to AA CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:
39cf8a26ea3f4ec504e846681a9508be705e8b47f1161b2c6a45a11648235a7f
Status:
Included and unchanged
Block:
#3,795 2,218 blocks after it
Position in block:
Transaction 105 of 470
Award day:
Jun 20, 2019 (7 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 #3,795 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 2019 LP", i.e. the FY2019 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 AA CONSTRUCTION & ENTERPRISES on 2019-06-20.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19JA0131: 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 2019-10-28). 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   39cf8a26ea…235a7fnow      …
  2. 2. Block Merkle root changed
    stored   6f30ab76c5…447c47now      …
  3. 3. Block #3795 hash changed
    stored   b0ab307524…e768b8now      …
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 469 records. Each step hashes the current value together with the sibling shown.

  1. leaf  39cf8a26ea3f4ec504e846681a9508be705e8b47f1161b2c6a45a11648235a7f
  2. 01 L 39706a9f6a46d9a0303ef11aeef624fc730a1a032b3c5f899f1dedc8a8e040a0
  3. 02 R 5e1d1f548a16c2f524746e9e4691c1bc67dc6a2a841d1d30d1cfffcb45bdc67b
  4. 03 R 1a65961f355c2e0828ae2c68e06d1255eef0225ed77068180cbb561132d80193
  5. 04 L d199091eaa3f266234aea1608daf4881c2effe805b871b293d2a46ae2ccfb2a3
  6. 05 R 09f88714bf44d766bcb91daef700f42be551189993b7aa1d269c6a5c4d76cad0
  7. 06 L 4c1ab34660c11161ae49a3758a355bb0fd3d0644cc7e8535f044aeb946f39551
  8. 07 L a43ca7636c85ad83b4f63556689d4c37f201514e4fce4e756256b682827c48b6
  9. 08 R 4710b9d6f595e00610d5287a907ae8c6ea617e1f0963f2d9a27dec3755f0c21b
  10. 09 R 39817d5f4c007d1c5a23c43801ce8053a496c8dc8128206a1d922b18391630c4
  11. root  6f30ab76c502e6fdbf521332f3276ac7be6f3257b3b7533d495e652304447c47