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 - EASTERN SAMAR DEO Award a ₱9.7M contract to YFL BUILDERSNational agencies

Transaction hash:
413bca6d7cbdd0af06992c5ac1eb4fa918b3116841c5afa7c064f559fae11d72
Status:
Included and unchanged
Block:
#4,577 1,436 blocks after it
Position in block:
Transaction 70 of 249
Award day:
Sep 23, 2021 (5 yrs 1 mo ago)
Value:
₱9,653,383.45
Project:
21IB0091 - Construction of River Control Structure

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 #4,577 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 2021 OO-2", i.e. the FY2021 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 YFL BUILDERS on 2021-09-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21IB0091: 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 2022-02-11). 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   413bca6d7c…e11d72now      …
  2. 2. Block Merkle root changed
    stored   488964aebc…8c354bnow      …
  3. 3. Block #4577 hash changed
    stored   fc1e84fc2f…7bc232now      …
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  413bca6d7cbdd0af06992c5ac1eb4fa918b3116841c5afa7c064f559fae11d72
  2. 01 R 428ddd106d538ad69506f9ef56405816aa84eb83072b9181693470d3e1db684a
  3. 02 L 61bcfb376bbdf1f8a4d0bfe6b1230a58ee223c0f99f93654317c83f2a9755474
  4. 03 L fb2823435089179580d8487952db4667020d0e1d89a2c8e2403b81d37d6bc5e3
  5. 04 R fd99d35daf34e486a879b4f7213f31a74535426cc3894f65e10bd90f0da7cee9
  6. 05 R d069f2a677a26233549a5e8e3c73820b0c2536a3b1b150a3cb06071b4377ad84
  7. 06 R 37d20e6f039cd5f8471f1b6643b49044034c5334f14e316c8744a958c0ea885c
  8. 07 L c4eb27fc4578a931420a199e29290f0a0f6a24c1f2adc8153109cc671a138ff1
  9. 08 R e350182aa94d1400d1e7fc29d7f6913054d375c38425f3be2866174d5c2edbe5
  10. root  488964aebc7847b6133464c8b90cf3d5e8e7d96c0c453a1bdd083902798c354b