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 - TARLAC DEO Award a ₱2.6M contract to JAM-C BUILDERSNational agencies

Transaction hash:
aad8fca3bb55db1cf2236b832edd85d9aa07046fe0ea1f9b87672620b125f851
Status:
Included and unchanged
Block:
#2,696 3,317 blocks after it
Position in block:
Transaction 659 of 972
Award day:
Mar 21, 2016 (10 yrs 7 mo ago)
Value:
₱2,600,052.28
Project:
Network Development, Off-Carriageway Improvement i

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 #2,696 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 2016 MFO-1", i.e. the FY2016 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 - TARLAC DEO awarded it to JAM-C BUILDERS on 2016-03-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16CJ0037: 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 2016-05-03). 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   aad8fca3bb…25f851now      …
  2. 2. Block Merkle root changed
    stored   411f0d33c1…28e8d9now      …
  3. 3. Block #2696 hash changed
    stored   688aedf65b…552783now      …
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 971 records. Each step hashes the current value together with the sibling shown.

  1. leaf  aad8fca3bb55db1cf2236b832edd85d9aa07046fe0ea1f9b87672620b125f851
  2. 01 L aab4509e57725a91dea97d615269c840157b1ab00811a8f5fabf7b2b62a4e33d
  3. 02 L ae37611156c7fa85de38cb02b3a53e02f58f4e497561f863cd7352dc6160294d
  4. 03 R 3bfede113cfca3eca60b3f1357c95bc99160e055d3443fabbefbfd3ea73b319a
  5. 04 R 31d716e3a314b463cef8882e904c1f131c326011f03ba823505c0e2a1f6a7550
  6. 05 L c2bf4be0ddfc93c61b2d0287ecc71111086119ea7b233d2f7a14d2da915aefe0
  7. 06 R 515236ce7b2f788ec4e33251bf7a595247bcc6de5402d65a9dcecf3c321750ac
  8. 07 R cee13c6d421e8b0b0423ffeba8bb145f93f2df8d831b8391b41ce444f4448ebd
  9. 08 L cd707ac65522d5aa1e5a1aed31a0f222b317fa6f846ac3cd170f6e9569c9fc05
  10. 09 R 2835a71911458d596a1b202fd13ebbd351df380866a05da1dcf029a3c168f306
  11. 10 L c6ce0514fafe918849dd98e5130bd1a70321f545d105344f22921e3b329e7f1f
  12. root  411f0d33c1ff8fe06f553dbe0e3076d7d43be2d1c36eef4a487581be7428e8d9