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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 - REGION X Award a ₱3.7M contract to NASCON BUILDERSNational agencies

Transaction hash:
2e61e4987ecc67b25bb52bf8fdd134374846c30e3ea7ad8afe4e1a168a2984fd
Status:
Included and unchanged
Block:
#2,809 3,204 blocks after it
Position in block:
Transaction 38 of 175
Award day:
Aug 1, 2016 (10 yrs 3 mo ago)
Value:
₱3,688,098.65
Project:
16K00049

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 #2,809 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 "Outside Infra - GAA 2016 DA Farm-to-Market Roads", 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 - REGION X awarded it to NASCON BUILDERS on 2016-08-01.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 16K00049: 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 2016-09-26). 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   2e61e4987e…2984fdnow      …
  2. 2. Block Merkle root changed
    stored   05230e03f9…ce7b3fnow      …
  3. 3. Block #2809 hash changed
    stored   db7d18c925…4c22e5now      …
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 174 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2e61e4987ecc67b25bb52bf8fdd134374846c30e3ea7ad8afe4e1a168a2984fd
  2. 01 R 2f3aa0b8cde38f1d6f7c29efae65b586a96828c353f6038f2ebe16ab612497b2
  3. 02 L 627fa8d39bd0b184aac83ee10d970611043d2afeb66787af78d071ce65e3c8e8
  4. 03 L 81c34d690b2f317cd2573fd1825cc04b2ea69644787efddb6c9173a99464dafc
  5. 04 R 1e5f3892131fefb13fcb442cdaac7462a2cae09de907e51f5298873864adda0b
  6. 05 R bc87cf22a1901fd833e06c0b6db0db45e6a4bab07e4a5a2712e26184c82f21eb
  7. 06 L 5becbaecdf42e76065cb140c2056ab1b359752fd4973e3657f62fd1a6f07c23c
  8. 07 R abf8c16bab4e05daedb22052345cd036071e1272cca418631aa1e186cb20d8c4
  9. 08 R 47dc560da6229ee8a3607cf923e42d967313de7372f0f22e8c0b73326c1f1021
  10. root  05230e03f95d737c25bcd2764573c793d3c531999ecc98fc0d0377dce3ce7b3f