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 SURIGAO DEL NORTE Award a ₱10.9M contract to MAXIMA MACHINERIES INC.Provinces
Transaction hash:
272a05e42e57ed442cee5eddaf42ec240cb228ee85671482e3312db95b4b8282
Status:
Included and unchanged
Block:
#2,658 3,355 blocks after it
Position in block:
Transaction 7 of 53
Award day:
Feb 8, 2016 (10 yrs 9 mo ago)
Value:
₱10,920,960.00
Project:
VIBRATORY SINGLE DRUM ROAD ROLLER
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 #2,658 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 SURIGAO DEL NORTE awarded it to MAXIMA MACHINERIES INC. on 2016-02-08.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 Surigao del Norte 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 272a05e42e…4b8282now …
- 2. Block Merkle root changedstored 6a4fa8248b…82beb2now …
- 3. Block #2658 hash changedstored 0cb86f1f1d…5bb23fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.
- leaf 272a05e42e57ed442cee5eddaf42ec240cb228ee85671482e3312db95b4b8282
- 01 L 2593af9de4c79a5cbd898d7fb85594181c0049c9b27554dcc679f18da7ffa369
- 02 L 7cf1f6ceee0c56cef849b7f15725f81d7fda23e1311c05af398a969cb667a021
- 03 L ec5d306f08d3d5cc521f3dc2d8e6e00fb55a3c85bc7ffe7e3bf68f51e9b4ad25
- 04 R 95e97a7f41898ef739b5c7e55e9a8ce5c0c11efa48303ada7948aa5d413a0a07
- 05 R 7467ecd8e4ec944cc91289e2d1cf90b0363cbcfc2df788ea7567015135278b34
- 06 R 22e980e5566976d8e8d182a9ca8210477fb159578cce2990cb5822aef2c66dcf
- root 6a4fa8248b1c4bed282591e3c7463041f0fdd7d4f7c2f3c3eb5c88436582beb2