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 - MASBATE 1ST DEO Award a ₱9.4M contract to JHJN CONSTRUCTION & SUPPLYNational agencies

Transaction hash:
b8d0cc51165437f5ebf2fe36e30f91e4307904b1d1323039a243e5d95b79637c
Status:
Included and unchanged
Block:
#4,374 1,639 blocks after it
Position in block:
Transaction 370 of 519
Award day:
Feb 26, 2021 (5 yrs 8 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 #4,374 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 - MASBATE 1ST DEO awarded it to JHJN CONSTRUCTION & SUPPLY on 2021-02-26.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21FM0025: 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 2021-05-13). 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   b8d0cc5116…79637cnow      …
  2. 2. Block Merkle root changed
    stored   82e423f8fc…976fe1now      …
  3. 3. Block #4374 hash changed
    stored   a9912530e9…4fcc5dnow      …
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 518 records. Each step hashes the current value together with the sibling shown.

  1. leaf  b8d0cc51165437f5ebf2fe36e30f91e4307904b1d1323039a243e5d95b79637c
  2. 01 R b8d34e2d7e4ef9d8eec424aa5272e38edc3744fa6b86e62c97869336a2a9399d
  3. 02 L fbf2bfa754eb475f988b39cc0762a520a2a5f2b2027064f2ade9c19d7b2460b6
  4. 03 R 8dce9ee38d49edcfd0b835d1335e199f76d0ecc6f2641288144d4b317f0b5bd7
  5. 04 R 1523be6dfea79b81875541ce74a14fe9f145de43997ecf790808dc9c50adeb7d
  6. 05 L 8889730dc6ed59ec165b62ce59cf5aba91c91faf1fd3b0dd48bc774bbd448ab5
  7. 06 L d6d1d718b215d507165f3590d06778ba6e5f1403d337176f47b8470872bb2d5c
  8. 07 L e5fdb7bbb5394026c7a6ebd01b3c0581fb1e91f2aafb2be81447e68508247df0
  9. 08 R 12f9a28dba1543ab3fa881695c474e8092d200259dbe99cf8f30039c62f9e52a
  10. 09 L 84a642acea96763c46fc39603df787245ba30724cce6dd91806f80933ae40381
  11. 10 R 0effc9ec056b80e6f32c11615ab3a4e0cdfc908fb2640e70cf6283edd34b0506
  12. root  82e423f8fc239ddbc35f4df62f2534c8f0a4bf158b91728222772e0803976fe1