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 - CARAGA Award a ₱114.8M contract to NORTHERN BUILDERSNational agencies

Transaction hash:
4c77073cf3b83708759ca1bbacc2d9b075d7f0bfaf38ebb3990cde7fb0d936c4
Status:
Included and unchanged
Block:
#3,128 2,885 blocks after it
Position in block:
Transaction 41 of 191
Award day:
Jul 10, 2017 (9 yrs 4 mo ago)
Value:
₱114,762,433.70
Project:
17N00064

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 #3,128 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 MFO-1", 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 - CARAGA awarded it to NORTHERN BUILDERS on 2017-07-10.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17N00064: 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 2018-12-07). 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   4c77073cf3…d936c4now      …
  2. 2. Block Merkle root changed
    stored   b8ef7f2a3d…a776abnow      …
  3. 3. Block #3128 hash changed
    stored   0c8fd2b55e…9a2b7cnow      …
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 190 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4c77073cf3b83708759ca1bbacc2d9b075d7f0bfaf38ebb3990cde7fb0d936c4
  2. 01 L 49d86159961625f72202f4e165f90ede3a5b26a1b4a2075441336ec15c3ae444
  3. 02 R f69f056771da2af370e1d12c04279e5cf8142469f42c8ea1a62a7d8867d3cd5a
  4. 03 R 5a4a0b40e2a78928c989272dae7e47f38977f3019071558ba4c377b89875693c
  5. 04 L 1e72ea4fdc4ee3c975851016cbf8661298190a5c21b53c0a8fa9405bc458383d
  6. 05 R be50786baf4e743879db10b44e271d1dffdafa16275bbb724083b48c6f632fb7
  7. 06 L 7bd7190b9682153e38aebf65a79996e4aed5c05790da2029b4b7845e416f24fd
  8. 07 R 7ed77bb0c078decd9f4cee1be44396a90c1c782438748869f4cd9040f83ef911
  9. 08 R 689dfaedbd095cfd09d205d1743dc878d480492a97d76f21aaba954c2e6a5dc5
  10. root  b8ef7f2a3d935adda11d25e736ec0c9d2366b3d33420726a4f369527a1a776ab