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 - SOUTH COTABATO DEO Award a ₱1.2M contract to JTA BUILDERSNational agencies

Transaction hash:
15f4aed648e2d950458fa65c42a4f806bc4190d6a137e8f195cd15f8f0117210
Status:
Included and unchanged
Block:
#3,374 2,639 blocks after it
Position in block:
Transaction 42 of 556
Award day:
Mar 28, 2018 (8 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 #3,374 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 2018 LP", i.e. the FY2018 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 - SOUTH COTABATO DEO awarded it to JTA BUILDERS on 2018-03-28.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 18MG0030: 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 2018-07-24). 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   15f4aed648…117210now      …
  2. 2. Block Merkle root changed
    stored   da2d6a9a38…130f0anow      …
  3. 3. Block #3374 hash changed
    stored   c1b6112a21…0528danow      …
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 555 records. Each step hashes the current value together with the sibling shown.

  1. leaf  15f4aed648e2d950458fa65c42a4f806bc4190d6a137e8f195cd15f8f0117210
  2. 01 R 168c588af139c9c090efed4a96c78703a69b7383325fe5b70ed58467fad4c1cc
  3. 02 L 731d93246b378dd08856d6e83d389e249eea1e0df8fceec22b19dcdf9f45eeb8
  4. 03 R 2876879b729ca4527c0607136b2655fb860d163d970c7b146f721c4a7e60a380
  5. 04 L 2ba20244c486e29ad86d54ead4f64bbd2d7d23b37d9adbc83e7e6cacbd9e565a
  6. 05 R 972da3f95fd7fd866a47f1444d80ce2d5e7ff316a1d62c94bffda57bb2f7df1a
  7. 06 L 6656f47c225d197919ef055226d82cc3cff9063bb4601f4305fd614559e9118c
  8. 07 R a536f37e5d3cf200d79259e30c4384717711f430d9f9a2cdda99772fb639ebbf
  9. 08 R 8a2a80ed769c728ea333dcb9a6aac1f6d3709728f71658dd8774b40265680c3c
  10. 09 R 55e74ea0ec66ba5029805866239053f9f032ecb7e64ef2f64332bdef72327d67
  11. 10 R 9ac6b22748ffe838ac27e633d23b01f475f243275e960567927d207c8d288aab
  12. root  da2d6a9a38243e7c85be272acbf56c832d23924f1bd37459a2563d0f71130f0a