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 MARINDUQUE Award a ₱4.0M contract to W.J. CONSTRUCTIONProvinces
Transaction hash:
6ddfb9bab8560102328328ea349ad0666f7961dc0f7e486db9c7a54d3a732151
Status:
Included and unchanged
Block:
#1,736 4,277 blocks after it
Position in block:
Transaction 7 of 20
Award day:
Apr 23, 2013 (13 yrs 6 mo ago)
Value:
₱4,045,877.93
Project:
design & build, labor, materials and equipment
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 #1,736 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 MARINDUQUE awarded it to W.J. CONSTRUCTION on 2013-04-23.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 Marinduque 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 6ddfb9bab8…732151now …
- 2. Block Merkle root changedstored 53e8f6ff20…1d85afnow …
- 3. Block #1736 hash changedstored 5221becb16…7ead23now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 19 records. Each step hashes the current value together with the sibling shown.
- leaf 6ddfb9bab8560102328328ea349ad0666f7961dc0f7e486db9c7a54d3a732151
- 01 L 5b7183d2fdf33c9c8d301194be75e41fa98ccfe028d7e2ac43255505661e8846
- 02 L b13a80f14dec3c2bc79aebbb68e0fd7608507ad96f570a5959ebe31b7ef3fa1b
- 03 L fc3cd7002c7786392d91771cf75eab0d33b36cff9750baeaf4e979a732b96ebd
- 04 R 3e29e703f885ed1a7a7f8622960510dbf199fc5e2ec2982caa9b9c7546d97c68
- 05 R 87d001491fb251db460da5b1423da26c21f779f93abeebe721e1f5ed2fbc5d6b
- root 53e8f6ff2065ca4b90dee76510b242173f50bb544424645b804bdd91741d85af