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
APITransaction 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)
Value:
₱19,544,267.56
Project:
23NE0091
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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. AppropriationGAA 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. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice 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. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23NE0091: Completed, 100% physical progress.Found
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)DPWH marks the contract "Completed" (end 2024-12-11). The certificate itself is not published.Partly
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored d454bb893e…4931adnow …
- 2. Block Merkle root changedstored fcddb82452…285086now …
- 3. Block #5229 hash changedstored 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.
- leaf d454bb893ea5d67f319bf4d1c10fe08cbdff8b1df084c596cd1b6fca064931ad
- 01 L d3df37e1a429d320636878a083da87a9d0e125d04be0d59fe9811c5893938c46
- 02 L 0e58c4d50806e2f6a83955e7be3ad288f81f01dbccd218fb1ef13b9b8ca402f4
- 03 R 87214630905135c9d67134756e9cc3eddfd903058e2139769e12ee1120c4f3e8
- 04 R a1d1bc74d5689769ca82d7d00f2cbce672b9ce3996bacb9c6344797c82c9c973
- 05 R 07775fcd961adf8365b0a2fe78461436aafa5367aad298dca5b8a0f9cd93f615
- 06 L 7d55e33b4e01a119461e0b50cd06838cfeaef5a56bc62817b39f5bfe3b14b85b
- 07 R cf5d800ba8f7e943fa529b4aff898892f60fe87590f050805ab07d6f0bc49beb
- 08 L 4c642f57a5601e746af4b81b0d7073e306633bd5b1776452b5e3f096e527743c
- 09 L 7e447f2fffe2d39f2b62352209a79693104fdcdccb080802f4a8af49ae791d9c
- root fcddb8245269e3ac133a04dd5be11a97c0480833a5a122ad9c518cb7f4285086