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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 - DINAGAT ISLANDS DI Award a ₱19.5M contract to CARTESIAN BUILDERS CORPORATIONNational agencies

Transaction hash:
d454bb893ea5d67f319bf4d1c10fe08cbdff8b1df084c596cd1b6fca064931ad
Status:
Included and unchanged
Block:
#5,229 784 blocks after it
Position in block:
Transaction 419 of 499
Award day:
Jul 31, 2023 (3 yrs 3 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 #5,229 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 2023 CSSP", i.e. the FY2023 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 - DINAGAT ISLANDS DI awarded it to CARTESIAN BUILDERS CORPORATION on 2023-07-31.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23NE0091: 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 2024-12-11). 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   d454bb893e…4931adnow      …
  2. 2. Block Merkle root changed
    stored   fcddb82452…285086now      …
  3. 3. Block #5229 hash changed
    stored   527fce2b9e…4470b2now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 498 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d454bb893ea5d67f319bf4d1c10fe08cbdff8b1df084c596cd1b6fca064931ad
  2. 01 L d3df37e1a429d320636878a083da87a9d0e125d04be0d59fe9811c5893938c46
  3. 02 L 0e58c4d50806e2f6a83955e7be3ad288f81f01dbccd218fb1ef13b9b8ca402f4
  4. 03 R 87214630905135c9d67134756e9cc3eddfd903058e2139769e12ee1120c4f3e8
  5. 04 R a1d1bc74d5689769ca82d7d00f2cbce672b9ce3996bacb9c6344797c82c9c973
  6. 05 R 07775fcd961adf8365b0a2fe78461436aafa5367aad298dca5b8a0f9cd93f615
  7. 06 L 7d55e33b4e01a119461e0b50cd06838cfeaef5a56bc62817b39f5bfe3b14b85b
  8. 07 R cf5d800ba8f7e943fa529b4aff898892f60fe87590f050805ab07d6f0bc49beb
  9. 08 L 4c642f57a5601e746af4b81b0d7073e306633bd5b1776452b5e3f096e527743c
  10. 09 L 7e447f2fffe2d39f2b62352209a79693104fdcdccb080802f4a8af49ae791d9c
  11. root  fcddb8245269e3ac133a04dd5be11a97c0480833a5a122ad9c518cb7f4285086