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 - LEYTE 2ND DEO Award a ₱822.0K contract to ZAS CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
bbc0d6fc52ffe49185a8b19a3b478af0574ee9846c6843933d71217ee82cddd0
Status:
Included and unchanged
Block:
#1,714 4,299 blocks after it
Position in block:
Transaction 676 of 935
Award day:
Mar 25, 2013 (13 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 #1,714 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)
    The award does not say which budget line pays for it.
    Not published
  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 - LEYTE 2ND DEO awarded it to ZAS CONSTRUCTION AND SUPPLY on 2013-03-25.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   bbc0d6fc52…2cddd0now      …
  2. 2. Block Merkle root changed
    stored   7a9d154d34…f166ddnow      …
  3. 3. Block #1714 hash changed
    stored   0f120f161a…2abf30now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 934 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bbc0d6fc52ffe49185a8b19a3b478af0574ee9846c6843933d71217ee82cddd0
  2. 01 R bbd69e8dd4882c4d3a1212c355ece71eadfb68f6663a8e2fa9ccae4ca268531c
  3. 02 R eb1b846180e09829cd76085c32a589d4f3a10d70fcb3046e17393b586e4d315b
  4. 03 L 4ed41029284bafafde555c3b93167cbfedc01ffb00c1e836f36b6ce8ffff5ec7
  5. 04 R 28de7fabdf2aaa44f0fe2063fdf2ae9f5b86f2617ce555f88f038fa85c0a694e
  6. 05 R 8ed81a4ced72a12021e85e94350b2aefe393ed8667fec289356c351e0bdb3d53
  7. 06 L 855335074b3e2340aa2dec8d5f82339d7fd62aa843976a98c80f3415bee6d57a
  8. 07 R 1de9f8ca58361228e62d13df747ea70705c5ca5abbca3ed7fb74ade501d88f9f
  9. 08 L cfe05aa3d13a81da473f0eaabe3de3be4283c779d993686b5eb575aa1c8505ff
  10. 09 R 7df93b87e0811ed93986aecaef2f22b1858d1663cd0b99c1d2860d256ad6e713
  11. 10 L ef2425add25b854ed3268b425114ed19e7d24f82ff2e0ce0d44bf499dc7b8596
  12. root  7a9d154d34bfe2214ffce495ffe93f69dff3b21261b1b7d69e20426604f166dd