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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 - SURIGAO DEL NORTE Award a ₱1.6M contract to ALEXANDER BUILDERSNational agencies

Transaction hash:
c3088a8e13165acb343519ef514de877da8fd62fb3588dee5ef8bff6fdb2ab3e
Status:
Included and unchanged
Block:
#4,425 1,588 blocks after it
Position in block:
Transaction 272 of 366
Award day:
Apr 19, 2021 (5 yrs 6 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 #4,425 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 - SURIGAO DEL NORTE awarded it to ALEXANDER BUILDERS on 2021-04-19.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21NG0030: 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 2021-08-30). 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   c3088a8e13…b2ab3enow      …
  2. 2. Block Merkle root changed
    stored   5766b9a57d…1a6c10now      …
  3. 3. Block #4425 hash changed
    stored   15f1c9580e…e70e6anow      …
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 365 records. Each step hashes the current value together with the sibling shown.

  1. leaf  c3088a8e13165acb343519ef514de877da8fd62fb3588dee5ef8bff6fdb2ab3e
  2. 01 R c38512531e5e4cff7e6f8064c328764d87f0a36b3cb42fc9c7f9e5e7b2b65777
  3. 02 R 4cd21ddeab45562248db7ca19dbbc169849bc8b54b8bdb539d8dade846d07a7e
  4. 03 R f1499f1d507eb961ad33f2e95c40d5da7726ffc93154a8f7ddcecf0226448f8e
  5. 04 R 3e14f595d590e506f6d8489a8414574c790a92267e093f5e21e06c4a4c0c8557
  6. 05 L 963fd7d0c6b09234ef3c665f3580e79ecdea36528faeb3c2ff6d2a587de3f83f
  7. 06 R aad8737d324ea355deb32c4015062f1229bd29a6a899c0c937779fb95bef0dde
  8. 07 R 356ce9f1afc9617c8be1972a595630bc84ffb39277045c34f12d73198ec256c0
  9. 08 R 44055a204b37780882596b10e7a7a756ace37f9a6bd537232dd721205a59a2b4
  10. 09 L 0b462c175c4adb574ff8d2b6f2d522ddd94ff15a036677aa3b6cce7d02cd9182
  11. root  5766b9a57d2e9d401a75866fa0ef8d232150a06bd02d184042ff9819891a6c10