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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 - SURIGAO DEL SUR 1S Award a ₱1.9M contract to DDS BUILDERSNational agencies

Transaction hash:
efddf31bda4b9748660cea1e09b3c5670dd60489a5c91a7eed5001a842c04459
Status:
Included and unchanged
Block:
#3,094 2,919 blocks after it
Position in block:
Transaction 206 of 222
Award day:
Jun 5, 2017 (9 yrs 5 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 #3,094 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 LFP", 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 - SURIGAO DEL SUR 1S awarded it to DDS BUILDERS on 2017-06-05.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 17NH0043: 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 2017-08-31). 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   efddf31bda…c04459now      …
  2. 2. Block Merkle root changed
    stored   d61c878ea4…504777now      …
  3. 3. Block #3094 hash changed
    stored   ad516398d0…3d5873now      …
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 221 records. Each step hashes the current value together with the sibling shown.

  1. leaf  efddf31bda4b9748660cea1e09b3c5670dd60489a5c91a7eed5001a842c04459
  2. 01 R f04bc4f5f92340b243ec3f9d88a37348585e84aff1f2d820dc0687d19feb21e8
  3. 02 L a14f307904ebe00bce9cb3571b4bca5d3e233f4cb604d2a9992ade3fffd23dbe
  4. 03 L ecb76a0284a56c2a6effe19338ee45066ded17d0777801ecb747af30933aa9a9
  5. 04 L 492ef372a42440ed84fa64da825e7a048621286e6783bb24694c23c5158eea48
  6. 05 R 9c6c4eb5aa67c103f5fea9a0d120165bab8ee47d0257258b77a3035c1861b3c4
  7. 06 R 1416366afb115a57181142b717c9802f7227a74a24d9c9d28b00c45b26dbd2de
  8. 07 L 9357ae773f2f5d2947799e87a0a8dd37389f009bdaf61c53167b4545abbd8e0c
  9. 08 L 4ac8c780ac75c74c65583a630f3669d3933fa0a7d9cdf675fd262c83813e8679
  10. root  d61c878ea4010ae9fe08f3bf1fa793e8f228d8b797cc1d5e47d71d0c7b504777