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
MANILA INTERNATIONAL AIRPORT AUTHORITY Award a ₱2.5M contract to CHE-RISS CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
815864f5c745dfea0f18491a5c8080c4dca3aab9667d1bfa24a542fb3f580a8f
Status:
Included and unchanged
Block:
#2,360 3,653 blocks after it
Position in block:
Transaction 100 of 190
Award day:
Mar 25, 2015 (11 yrs 7 mo ago)
Value:
₱2,456,850.83
Project:
AGMSES Office Repair and Extension
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 #2,360 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)MANILA INTERNATIONAL AIRPORT AUTHORITY awarded it to CHE-RISS CONSTRUCTION AND TRADING on 2015-03-25.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 815864f5c7…580a8fnow …
- 2. Block Merkle root changedstored ec786f8cb4…1e8095now …
- 3. Block #2360 hash changedstored 5d1b69a632…6a6e4cnow …
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 189 records. Each step hashes the current value together with the sibling shown.
- leaf 815864f5c745dfea0f18491a5c8080c4dca3aab9667d1bfa24a542fb3f580a8f
- 01 R 82740ac0a1d6db5459f8d4022190623ccda261d4c863f76b359c18510d3ca496
- 02 R 30b39b0b478d89c1a42028d590bfa6b4bb79f93d91c47f274a95768157eb7d05
- 03 L e07866f794c3dac8c07d9eb06013a569c94803eb43c59cbe41b58387b7b49476
- 04 R 01e4034a689de63dff7cfa2ea38e68e8b2f5d6e9d1b20b27b37ba5eaf3d681e3
- 05 R d6c612182d8c0b61f5a08539dd4df20d6219fbd756c8bfee47d7286c13e0e271
- 06 L 54e7203b43808b2db55ae374675638eee67b8b18c443cd7e8d4cda1c2f189f12
- 07 L 5e25651d356d969ff0c67f9b39c7e1b0d9ca6c6ef7bb289df049e17726439c50
- 08 R d1eca5fa6352db2dbd16ea2309efff00fe21c1c4e4055c8667da6269313b683d
- root ec786f8cb4364c042173eb65ea3bef9e523276b4f9b50bc085af697dd81e8095