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 TABACO, ALBAY Award a ₱31.6M contract to 3RB CONSTRUCTION & SUPPLYCities
Transaction hash:
0a75a060ef34cd342fdd470d1517c7cb14a95dd2851e765b1302c7f420463a68
Status:
Included and unchanged
Block:
#4,198 1,815 blocks after it
Position in block:
Transaction 5 of 195
Award day:
Aug 20, 2020 (6 yrs 2 mo ago)
Value:
₱31,601,925.72
Project:
Construction Projects
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 #4,198 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 TABACO, ALBAY awarded it to 3RB CONSTRUCTION & SUPPLY on 2020-08-20.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 Tabaco gave a "qualified" 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 0a75a060ef…463a68now …
- 2. Block Merkle root changedstored 832617480e…68366bnow …
- 3. Block #4198 hash changedstored 0e9cfde715…2ddb77now …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf 0a75a060ef34cd342fdd470d1517c7cb14a95dd2851e765b1302c7f420463a68
- 01 L 0a28ae598b2f2ad2807c364a482be28e06c9d77febdad97bbaed3907395f47c6
- 02 R 76fa9825bdc76da9a306fbe589b16d4953818b72b85295671d0b49d8df9e6388
- 03 L 2ecce9de97bdad5df78c42d7f60d278fed26b9b84c90f6daf67f6d995459fd71
- 04 R 80e7677f0835a88b748e860ceccb920a41d0690b46e7b29b4ffd8bf20ea4fdb9
- 05 R 1be2bd1b7707ecc03b34fbc0ecbcb08325bd754396df3ad156256c21ceaf3715
- 06 R d01d062210ac2a07184082ac965675d10b084c75f9fca68277b3b96b7360a6a0
- 07 R 9dbed04844c55ae3039fdb25c51b3572e00c1819851b13b40172640facd257b5
- 08 R 357bed4c7bdb38c1c8963e48cdb8af837762bc2eaf95994ca0d2808af695adaf
- root 832617480e96ceef43c1ca82b8c164a119158838a3fb6b3146df4c86b368366b