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
BUREAU OF CUSTOMS Award a ₱1.7M contract to ISJ BUILDERS AND DESIGNNational agencies
Transaction hash:
641f19bc256be6e02d2ebcbf91aeb6dfd217cdc2e06843a93bd10c32ca22da7d
Status:
Included and unchanged
Block:
#1,810 4,203 blocks after it
Position in block:
Transaction 26 of 60
Award day:
Jul 23, 2013 (13 yrs 3 mo ago)
From:
Value:
₱1,676,286.25
Project:
Construction Project - 0086-2013
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 #1,810 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)BUREAU OF CUSTOMS awarded it to ISJ BUILDERS AND DESIGN on 2013-07-23.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 641f19bc25…22da7dnow …
- 2. Block Merkle root changedstored d8e0a87471…100212now …
- 3. Block #1810 hash changedstored cffdc72ae1…b95959now …
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 59 records. Each step hashes the current value together with the sibling shown.
- leaf 641f19bc256be6e02d2ebcbf91aeb6dfd217cdc2e06843a93bd10c32ca22da7d
- 01 R 6681ba497efd5ad0a1a16f3ae68920d506c4f50cc155ee0ea9c5c576717203a9
- 02 L bea01f4243072e6b89240e8e529503517bf6ebcfed80ab7c4fdfdb1eac6c45bc
- 03 R 360ce50590dfcdab3b264c381081fd016f81e8859777438e5a0cfcebae86cf95
- 04 L ca834ec883ef32cc2fc3d59bee99a366de08c36b8cf6815aa125bb36c39ed4ec
- 05 L 2c0ca8ce214dec8c38d365be407e5ed758bd69fc8fb3cc1e52733091d49db83d
- 06 R d4df24590ea6bfcf211e3bf649379245931020d6e446ef44b52a4d047e4c9be7
- root d8e0a87471b411e8b470aef581c3f6fbaa75bdc0a9294a827d41ca54fc100212