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
PROVINCE OF RIZAL Award a ₱5.5M contract to GKB BUILDERSProvinces
Transaction hash:
4e871b83e4d52fcb3e11e8ba7608395b9e7d91b08493bc670e82233bc7e4096c
Status:
Included and unchanged
Block:
#5,842 171 blocks after it
Position in block:
Transaction 161 of 540
Award day:
May 3, 2025 (1 yr 6 mo ago)
From:
To:
Value:
₱5,536,348.69
Project:
Construction of Roadway Lightings at Sitio Rumagui
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 #5,842 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)The award does not say which budget line pays for it.Not published
- 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)PROVINCE OF RIZAL awarded it to GKB BUILDERS on 2025-05-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Rizal gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 4e871b83e4…e4096cnow …
- 2. Block Merkle root changedstored 21c43bfe06…0d1bc3now …
- 3. Block #5842 hash changedstored b890c5a514…c01916now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 539 records. Each step hashes the current value together with the sibling shown.
- leaf 4e871b83e4d52fcb3e11e8ba7608395b9e7d91b08493bc670e82233bc7e4096c
- 01 L 4d1cb28a172eb5bf189d58aabd1ca758107b69f7122789f0322b0dbcf43baa5f
- 02 R bcbdaba31742d2aaa80e39dd74a075f05a721e290cc1f3a7363fbabf99d6864c
- 03 R cdc38a4f7d72b158343b2a0288408e837c4fa3d0cee8121af570b4a85ad53a56
- 04 R e922cf48fe581e96590a27908f5a5894d69c99b754e28bbe42df9a939bda39de
- 05 R 7ac09d3ec1ca162ba1dd7262b4c88a52f45424f18819e2f8cd70e4f20379c5e1
- 06 L 906f490bd5ca6c0ce0dd2c2afee6d06702fb4f4491e2bdc1de8d187d3e0dab48
- 07 R 766b4e8a63f0d3011ac5d88f50bf56fa930defab58642e811a18eb61789a15e8
- 08 L f926bafdedfc5aae6d2df85f502d1930bec1ea466352659f4f75f3e039b7600c
- 09 R b16db507da68fa3aad6e34ba63d1d2fd3900358f0cb26e9969a1f4b8c1d5da91
- 10 R 4add11f1d7626fcfa13cfff782bc0122b319434190150d4c8ca710e97cb7a1ac
- root 21c43bfe067d9a1bb294e9f46d6ea069b7b0a06459989c62233b291b350d1bc3