Skip to content
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 - DINAGAT ISLAND Award a ₱4.4M contract to JB LAZAN CONSTRUCTION AND SUPPLY INC.National agencies

Transaction hash:
dced4f613fc3e23958bc434e2cd69ba65f439a0c13063616740e1bc58d7947aa
Status:
Included and unchanged
Block:
#2,987 3,026 blocks after it
Position in block:
Transaction 184 of 219
Award day:
Feb 10, 2017 (9 yrs 9 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 #2,987 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 2017 LFP", i.e. the FY2017 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 - DINAGAT ISLAND awarded it to JB LAZAN CONSTRUCTION AND SUPPLY INC. on 2017-02-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16NE0069: 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 2017-09-15). 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   dced4f613f…7947aanow      …
  2. 2. Block Merkle root changed
    stored   84bbd803bb…444fbdnow      …
  3. 3. Block #2987 hash changed
    stored   af7cb8c96c…9abbecnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 218 records. Each step hashes the current value together with the sibling shown.

  1. leaf  dced4f613fc3e23958bc434e2cd69ba65f439a0c13063616740e1bc58d7947aa
  2. 01 R de7d9c501633dbaaa255ddb868b64174fcb841303a3b535a0f68b30f9b99090e
  3. 02 R 4ceb5031b883e578f925c6b0ba4414c61577d59ada5c9b1c1204c6586fdb614d
  4. 03 R 713efdb5dbb813c269c498055e34a519713324aa2aaf44df9c87b51c788e2c00
  5. 04 L 8e87bbf4533f6576d873be11aafa8c5f2bf51ff953dc3d99fcdd04528587badf
  6. 05 L 09fb3a07d0ea6814c818540d3c4e965aa55e9206743d9857cb3c27a8b7f9ff7e
  7. 06 L aeb643d7de7c66149a2fe987e1b582df6ce1ab653c45776e29716bad1331aebd
  8. 07 R 69d3ce889b6c6486ccfd0026c936914c3f2498795bdcbc9f4cae545e92bb354b
  9. 08 L 89f278111b3caaf57199a8fa82b0cd6d26f3b25bda16d6eeaf6e814c11c564a7
  10. root  84bbd803bb8885157f662815e6f36e363b3f3a8a03423304a5b81a3e53444fbd