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 ₱2.5M contract to NICKERSON CONSTRUCTIONProvinces
Transaction hash:
a4e778fd1fe3ec8e9698e4f0c67c39c0514bb1d59616b697086b879ba5999329
Status:
Included and unchanged
Block:
#4,604 1,409 blocks after it
Position in block:
Transaction 136 of 206
Award day:
Oct 20, 2021 (5 yrs ago)
From:
Value:
₱2,527,183.69
Project:
Construction of 10x18m Ynares Multi-Purpose Covere
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 #4,604 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 NICKERSON CONSTRUCTION on 2021-10-20.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 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 a4e778fd1f…999329now …
- 2. Block Merkle root changedstored d8c35e149e…efff89now …
- 3. Block #4604 hash changedstored c77bcbbf8b…4cf7c6now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf a4e778fd1fe3ec8e9698e4f0c67c39c0514bb1d59616b697086b879ba5999329
- 01 R a5bb3d887148e2fc306de67bfc200c5694ad03a545c9d8ea6f30a00c1840a102
- 02 R 43a46ff6a0e53b7a73352f7bbe3f0ab8c003c2b899557d2ffcc5b56d6e85a4b3
- 03 R 712282547cc24054cac93562a293867d01bb8844647a361e927471652292e5c7
- 04 L 9fd7caed167bfa9650f7e90de306791f4eb3ba1f8abd21193a0318f3ee2dac4e
- 05 R 86ad6b76296dcb8c11a08017dcf989aa12861773527382dc35ba7995f4f3003c
- 06 R 0544c3abcd833c59295db07538da9e5c0593689e2de34c3f601f857041bb5147
- 07 R b078fe5967f335f8f32ec87744ab65a85e56e18782c9f84bc839588128d83672
- 08 L ced1b03b727661916ec04435908e3b09e979cd11f0b79ef0290a9f3e197d342a
- root d8c35e149e029159590f13f3d6196c91549b6588807f1a3348fcbadde8efff89