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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 - LA UNION 1ST ED Award a ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
dc3af768b4fc307dee7cca25e9113068f1f6995fa3bc264ab50510e6c24c249e
Status:
Included and unchanged
Block:
#2,693 3,320 blocks after it
Position in block:
Transaction 571 of 669
Award day:
Mar 18, 2016 (10 yrs 7 mo ago)
Value:
₱1,904,423.33
Project:
16AE0065 Civil Works

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 #2,693 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 2016 DA Farm-to-Market Roads", i.e. the FY2016 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 - LA UNION 1ST ED awarded it to E. E. MADAYAG CONSTRUCTION on 2016-03-18.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16AE0065: 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 2016-06-06). 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   dc3af768b4…4c249enow      …
  2. 2. Block Merkle root changed
    stored   49800c766d…54b505now      …
  3. 3. Block #2693 hash changed
    stored   cf286fa29e…4fc868now      …
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 668 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dc3af768b4fc307dee7cca25e9113068f1f6995fa3bc264ab50510e6c24c249e
  2. 01 L dc08f956482ef725088e1f589b770e73154de687cd762669c487e58197a8a470
  3. 02 L 9413e0a41a9d9a1b7dc25cadba1d871e183a312041995b6de8022cf6cc3e3fce
  4. 03 R 73fc2a5abc9e5ffe2b06f8e7318a06cb0d6fcd575f8854a543992f7d4993abc7
  5. 04 L 0d609f50884d22eb8de931651e006c52c65a35295f4a977bd76e67d3e001cc62
  6. 05 L 92688820d104bd17eeb58caf259b07fa248dba5a2a00c56c459ea7a0b25272be
  7. 06 L fcf75b75b4788fc16383218c6c6700132d01ec917e4b7208cc63302750cf7bbc
  8. 07 R 9dfb278e9e4e0558dd99d8797ec526de493de0bf5c00fb3b10ab539fdfb4314f
  9. 08 R 424d727025311f75c37eaed5e5d99251e6db699c4520f621c0def765b843e6d8
  10. 09 R 639419eba6e2be89c3e7e23ae7e9160d7017206e64a5c4e6519101ba59c963c6
  11. 10 L 8d9b111d8bc0b035b299e9e5b5c2eaa7332ed43e002ccdf0884e261b5184331c
  12. root  49800c766dcaaaa21beaaa57fd257eae1be933adbdf18f70c25da1c2b754b505