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 - METRO MANILA 1ST E Award a ₱1.0M contract to ZLC CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:
e53bbdbca835caee563aead2340793b5a50c0e9fa6ef884e3ab480db899807e5
Status:
Included and unchanged
Block:
#4,148 1,865 blocks after it
Position in block:
Transaction 226 of 249
Award day:
Jun 30, 2020 (6 yrs 4 mo ago)
Value:
₱1,015,730.35
Project:
Contract ID No. 20OB0427 Contract Name Preventiv

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 #4,148 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 - METRO MANILA 1ST E awarded it to ZLC CONSTRUCTION AND SUPPLY on 2020-06-30.
    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   e53bbdbca8…9807e5now      …
  2. 2. Block Merkle root changed
    stored   8abce8a878…eb9c42now      …
  3. 3. Block #4148 hash changed
    stored   034630ed48…b40a61now      …
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 248 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e53bbdbca835caee563aead2340793b5a50c0e9fa6ef884e3ab480db899807e5
  2. 01 R e609bcca2f68c2009ae408666caabfdb43514460504689ebf03d484f6aed2399
  3. 02 L b04651d2f6f061114fcbd976232e927e1160eb54f195ea563c2fd91668d65a9f
  4. 03 R c0ebc41e1d3bbe0c793ca0d47355367b9c6226d61c8c45c808416b1c9d05eee6
  5. 04 R 6eff28703ba1c0b1b70ae99eb59f367aa150e82daaf73ceb36ca228f1186eb60
  6. 05 R 469fe3c9d5475cfcc22d92899c753ebd2b67e34ffa6854dc8f26b92dcc0f6d18
  7. 06 L 98f325b7520a8fe7d6867bbc6faf10e8113f1a465433448c4855156ec0cc6b11
  8. 07 L adf6f4f070a0d59e29a3f6de00965b00edc8e3a4ae3bb8a9fb928729e5731e77
  9. 08 L 85dbea63ac069b02361026031c545ffddfacbac58cb6ae6ea69029803cc856fc
  10. root  8abce8a8786a06b74b1b8da0dd6e98afc10188c7b101ec19483d9acccaeb9c42