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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 hash:
4c6c772dd2052287c2cb2540509470d739c08932b4c89bb8087eca145cc51e8e
Status:
Included and unchanged
Block:
#3,040 2,973 blocks after it
Position in block:
Transaction 49 of 132
Award day:
Apr 7, 2017 (9 yrs 7 mo ago)
Value:
₱14,767,609.50
Project:
Construction/Maintenance of Flood Mitigation Structures and Drainage Systems-Construction/Improvement of Flood Control Structure along Calaguiman River, Sapa East Calaguiman Portion, Samal, Bataan

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 #3,040 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)
    The award does not say which budget line pays for it.
    Not published
  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 - BATAAN 1ST DEO awarded it to DUNGAN CONSTRUCTORS AND TRADING CORPORATION on 2017-04-07.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  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)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   4c6c772dd2…c51e8enow      …
  2. 2. Block Merkle root changed
    stored   3a736fa143…0cf047now      …
  3. 3. Block #3040 hash changed
    stored   001cca4d3a…4a05b7now      …
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 131 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4c6c772dd2052287c2cb2540509470d739c08932b4c89bb8087eca145cc51e8e
  2. 01 L 4bd5169c2162fd5d0a3ff217d99ef72669fe2253de6119aa45d5e8bfc23e35f9
  3. 02 R c321da1eb7f5b90336ad49865221ca58bd5cbc23b855cd79373483151045c09f
  4. 03 R 1ad37e8f09b0d636ceae59dd58303c1d5e6f666143502da184a08c662938ed5f
  5. 04 R c9f2e256264fedf4f9a649eede36e4040d5049803fa1d57e5262f8cbc544a062
  6. 05 L 416457cb4ff99823b393437c5413b5cc5c5d28eebe7f2daf94dea432d67ef904
  7. 06 L 6f125ecb40a98cef6121c5358375fd2041f661a4833aac64328e9da07b14495a
  8. 07 R e8fc75563550ec41078ae4dae09cca8ae7f29e253ccf901f13d2747dd0cb61be
  9. 08 R 52f37b8d2d2e1fded6b2c0419d610f2a3a8e1e5b2739219d3e9e5433704d6a8e
  10. root  3a736fa143b4a7c0dffe058abb487e49a37d891566e92f985220c7070c0cf047