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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 2ND ED Award a ₱4.8M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:
aadc7a671ef87c4244dd7204ee48227c37eab3b0629e2c45204d20cf81cc2ed1
Status:
Included and unchanged
Block:
#4,202 1,811 blocks after it
Position in block:
Transaction 239 of 377
Award day:
Aug 24, 2020 (6 yrs 2 mo ago)

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 #4,202 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 2020 LP", 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 - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2020-08-24.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 20AF0005: 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 2020-10-13). 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   aadc7a671e…cc2ed1now      …
  2. 2. Block Merkle root changed
    stored   e2ad555052…ad39e1now      …
  3. 3. Block #4202 hash changed
    stored   ea5cb3007f…d0e66cnow      …
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 376 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aadc7a671ef87c4244dd7204ee48227c37eab3b0629e2c45204d20cf81cc2ed1
  2. 01 L a847069b047ad6f8e0fa159f0898d68651be2b582591f6b55d880eacfe9d173f
  3. 02 L a7e1ed1e72c65d2821b651ebe27c7e1a4bab14bfd19c7a6d434cefa6b88a0d53
  4. 03 L 223ca8e0e57941466a622f99d6a91871b092695c9503631f1a1e20d8070e3bba
  5. 04 L 3108e87e18025c01c13796a435b74ad7871ea26742e975f8f7f41d7348c0c798
  6. 05 R a5d2f48655f8f2b2cd1ffeba2d89bba32ed81b2b0a550e1089f2f0765aa20e43
  7. 06 L ff20ce22421b05cada51992d34785d1a5d7dee6e1244c8f29442e0e33f47c661
  8. 07 L db7c35044eb433d217aefa94bce80bd41e5b6dc1dee423b4ac8613725388edc5
  9. 08 L e2b4a7a6c67b130f381a49eb8b053aad6615aacfce47912fb8822d61b615d946
  10. 09 R b315a325592e9d85c84cea78a739f5d6d7f04d37710e3f3e4b8e6b2e539432a4
  11. root  e2ad555052b0a2f5d0043686645b08b5fff657ed1c4a84769a3665c7ddad39e1