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
CITY OF MAKATI Award a ₱5.5M contract to JPPM CONSTRUCTION AND SUPPLYCities
Transaction hash:
a446e352cd5f2ac67f806efcdbe349f41f0c8352d2ad55dcebeaddba6974a8c3
Status:
Included and unchanged
Block:
#5,150 863 blocks after it
Position in block:
Transaction 146 of 255
Award day:
May 11, 2023 (3 yrs 6 mo ago)
From:
Value:
₱5,549,850.81
Project:
Proposed Renovation of Administrator’s Office loca
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 #5,150 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)CITY OF MAKATI awarded it to JPPM CONSTRUCTION AND SUPPLY on 2023-05-11.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 City of Makati gave a "unmodified" 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 a446e352cd…74a8c3now …
- 2. Block Merkle root changedstored 92662e1103…330c7anow …
- 3. Block #5150 hash changedstored 687572c620…445c48now …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf a446e352cd5f2ac67f806efcdbe349f41f0c8352d2ad55dcebeaddba6974a8c3
- 01 R a7b30b524ac78568867355a41e1a4566e5b94e12a8a4e63540adaa2fa1431f25
- 02 L 1629473af72f29accf0912b44884c794b7b1c151dadec154dc38e443271f133b
- 03 R 21cdb42d656a66a23d6fdad60e485e1a95198b9b86f3a6b2c7ac3c5f3ce0045d
- 04 R 9fcb63d80107b470d2bb0bc27632317a1d494a4a5bdaad92e92b496349d5b6f6
- 05 L bac0f7cdbc95bf1372161757d9c2b0b520e4cec39b51f03b9f152ebaaccebfcc
- 06 R 9e27834521f35029ae55b6cca8fe257d94466431026b9a95443a838e4fbc7017
- 07 R c6818245c66b29dc5ce9815b7ac87b479bb9bf83a011aa20bc5e64689e594d4e
- 08 L c98dd3a20953a203cb92914e0083c258da142ca93f1c4c6660172fcac4d68423
- root 92662e11038f4359df7b9a31f6f22b11b2c8d237028d419c5ab77b413d330c7a