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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 - LANAO DEL NORTE 2N Award a ₱3.4M contract to AL-AMEN BUILDERSNational agencies

Transaction hash:
bdb920c478ec5fbc77927d2eaca24cd8747a3f7a44c88188573512b441c47e3e
Status:
Included and unchanged
Block:
#4,401 1,612 blocks after it
Position in block:
Transaction 204 of 272
Award day:
Mar 26, 2021 (5 yrs 7 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 #4,401 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 - LANAO DEL NORTE 2N awarded it to AL-AMEN BUILDERS on 2021-03-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21KF0111: 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 2021-07-20). 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   bdb920c478…c47e3enow      …
  2. 2. Block Merkle root changed
    stored   2da72a75ed…497f50now      …
  3. 3. Block #4401 hash changed
    stored   c9855c32fd…815600now      …
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 271 records. Each step hashes the current value together with the sibling shown.

  1. leaf  bdb920c478ec5fbc77927d2eaca24cd8747a3f7a44c88188573512b441c47e3e
  2. 01 R bde652e38e8031b2fb9e91fff5b6c68488c8e68e7344cbda29a4d9784fc6bfbd
  3. 02 R 5d2e2487a07eebbff6e2ef4ccc50ce4935a275b264e0c593d19cd2a10e247bf3
  4. 03 L 678d687317ca9df8d1765f3c65580587efc2619f5d53249e074155513b09e860
  5. 04 L ea2d61f1446d071f83f5244a6bf3aa1ec5981b8c66f2506223226fa75f2718be
  6. 05 R 46900a16b0fbfd9d81573d20199fc30b6a38f51d0d71ba26afeac48eba13626d
  7. 06 R 5583a154c647eca3136c5624ba6617e2afaaf37dd4299602e00cfb78cf21c1b8
  8. 07 L ec03a327d0d7f856d499fe4fdbf825911b05d9eb805cbd23ef8921c77f731b8b
  9. 08 L f4d15622bc42687aa2ca9986be5dd0e7bfb2f1d72f9ce90af638bfedb6c8381f
  10. 09 R 71ffad59874658d7bda71701dca16142e9a2f35278fdc09b6efd6692a3dd1351
  11. root  2da72a75ed13cea1d6cb793ad147ebca1dc69cf6a4bd19a2e857f3d422497f50