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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 - EASTERN SAMAR DEO Award a ₱4.7M contract to J.A. DEVELOPERS AND ENGINEERSNational agencies

Transaction hash:
7aec19bfc7fc0ee2ee7071ede0f284b813de9b8ae70014d29d2b5ea593761d34
Status:
Included and unchanged
Block:
#4,178 1,835 blocks after it
Position in block:
Transaction 143 of 316
Award day:
Jul 30, 2020 (6 yrs 3 mo ago)
Value:
₱4,737,868.19
Project:
20IB0094 - Modified Standard DPWH-DepEd One-Storey

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 #4,178 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 "Outside Infra - GAA 2020 DepEd BEFF", 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 - EASTERN SAMAR DEO awarded it to J.A. DEVELOPERS AND ENGINEERS on 2020-07-30.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20IB0094: 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 2021-01-16). 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   7aec19bfc7…761d34now      …
  2. 2. Block Merkle root changed
    stored   d424ae865a…9d5a74now      …
  3. 3. Block #4178 hash changed
    stored   ee7ff3d84b…779280now      …
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 315 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7aec19bfc7fc0ee2ee7071ede0f284b813de9b8ae70014d29d2b5ea593761d34
  2. 01 L 7ae131f5d77f921aa95e1df866d5db4b2c7f218fbefa07432dc030bbd9ff462f
  3. 02 L ecd76514b8c53e9db7ed70e00e9e643edc5e570b648b06efe79c53b7f44487f8
  4. 03 L 967dbc4058f8d833b561a16e822a0344099d6d6fab4b3d8d318d9b97b1da0511
  5. 04 L 8b566311f0cc41fc3e67152b6b1e225775ba080f3ac0f89f5e8cc0c8129618a6
  6. 05 R d5d4ecd5978fa6c06900209779e75f883be590d881eed9f66505aefe00a8c889
  7. 06 R d30551bd6f56b4e2627541c3f4fe02e22cc0c95f9f5b3e87961d582fb6facabd
  8. 07 R bb7f7b9500db017b2059aeb11ec7a1dc41ef94eab95fa40fcee5176b84dffad5
  9. 08 L bbec9b68bcbbc536df3277cd5937a016a7b48c57a5faa19f7b743fc07db7e53f
  10. 09 R 7b7fa23dd6f78185067f1806a22aea856fb01dd80d7d482bac29b21790c947ca
  11. root  d424ae865aae2e688ac06d505be37eae6f0557fa7d4c2c22804c83a2c99d5a74