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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 - AKLAN DEO Award a ₱4.8M contract to E. L. CHAN CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:
1dc2cd7f5db3b5914b42e07551ffa9adfd0fc59f0f784b4a5572f820ff131fe2
Status:
Included and unchanged
Block:
#4,578 1,435 blocks after it
Position in block:
Transaction 31 of 289
Award day:
Sep 24, 2021 (5 yrs 1 mo ago)
Value:
₱4,804,290.23
Project:
21GA0213 - Construction/Rehabilitation of MPB

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 #4,578 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 LP", 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 - AKLAN DEO awarded it to E. L. CHAN CONSTRUCTION AND DEVELOPMENT on 2021-09-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21GA0213: 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 2022-03-30). 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   1dc2cd7f5d…131fe2now      …
  2. 2. Block Merkle root changed
    stored   3da9c712f7…ce9f71now      …
  3. 3. Block #4578 hash changed
    stored   ed079e13f9…586093now      …
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 288 records. Each step hashes the current value together with the sibling shown.

  1. leaf  1dc2cd7f5db3b5914b42e07551ffa9adfd0fc59f0f784b4a5572f820ff131fe2
  2. 01 L 1b7e30b8742342ede37871f74e66d2b614f7462e37dc1f8ac896794c2833d2fd
  3. 02 L 65283976f4f1229aa86b7dcf275e293aae1105b032ff9230eb12bf34eae6b7d1
  4. 03 L 22aa766f10a6962921bcbdbd9deb5b753def7eed0dfd65354eefef7cece163d6
  5. 04 L 823758a8626ce9dcf7ec2300016d98c2359be784331c6183423bc3e5d50fdc73
  6. 05 L 9c7a62df1d9d92a2af7769442cf97b2f63d93468e0d6ada25097958f1ebbfe33
  7. 06 R c00d9c9e119de0c60289c3ffe2d2e4497a608511f93135054efa5433a4040b32
  8. 07 R ca43aed5c2894aedd79d0707c3f741b654b862f91a23b01cde242670d194d5b8
  9. 08 R 7a9e2d9b0eb6fef772d9a3dd37877864b57b30f0212b54899c1bfb3db8741928
  10. 09 R 70e39922aa02743d24649434103a05b70387e6aa5bf52a51b30f82e14d88aebd
  11. root  3da9c712f7a6516d477b093ec080bc9be39e5ef0373a5a2d693ee657e5ce9f71