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 SORSOGON Award a ₱976.8K contract to BLACKRAM BUILDERS, INC.Provinces
Transaction hash:
12f5af40c1e2decfa9a884eae3cee5cebac443356a1f0e91329f7a0c95d5b491
Status:
Included and unchanged
Block:
#1,112 4,901 blocks after it
Position in block:
Transaction 5 of 55
Award day:
Apr 5, 2011 (15 yrs 7 mo ago)
From:
Value:
₱976,750.00
Project:
11. Construction of Butag River Control
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 #1,112 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 SORSOGON awarded it to BLACKRAM BUILDERS, INC. on 2011-04-05.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 Sorsogon 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 12f5af40c1…d5b491now …
- 2. Block Merkle root changedstored affdb7628f…6e1a29now …
- 3. Block #1112 hash changedstored b5c7ada218…9ad0canow …
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 54 records. Each step hashes the current value together with the sibling shown.
- leaf 12f5af40c1e2decfa9a884eae3cee5cebac443356a1f0e91329f7a0c95d5b491
- 01 L 12903a5a0f44d887c41c913e5aac4e2017149dedef5ebc21f19a000eff22d243
- 02 R 05e56d5c70476e8f9ce7386718adf19b9b2fe9d70dbce066451e92a0cdf3abaf
- 03 L a41f834f8429a5795417e9a9fdaff67f45196ce422965ecfe5e98092e937189a
- 04 R 2b434ccb7758a841cc4e5cc83e731fbaf4b990fce64446acc1c2d1380b5dee8f
- 05 R eab8d2abb6e70b648e00293c41aa358826b69de9f3d9b6f3f31669f911a3f045
- 06 R be378f3bc793df458d45e954e446c61b754535efd3f6447afea7cadfa6275c92
- root affdb7628ff28598e75bafefc63fd4ec760fc56932f520ffc7868ef5aa6e1a29