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
JOHN HAY MANAGEMENT CORPORATION Award a ₱65.6M contract to JOMARCANN GENERAL CONSTRUCTIONNational agencies
Transaction hash:
ef37c0dc2a9897c1daea1e4ee8d48b5193f73b9124a8e5c70eb9781cff5f51d7
Status:
Included and unchanged
Block:
#4,339 1,674 blocks after it
Position in block:
Transaction 49 of 51
Award day:
Jan 19, 2021 (5 yrs 9 mo ago)
Value:
₱65,569,019.00
Project:
Construction Project
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 #4,339 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)JOHN HAY MANAGEMENT CORPORATION awarded it to JOMARCANN GENERAL CONSTRUCTION on 2021-01-19.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 ef37c0dc2a…5f51d7now …
- 2. Block Merkle root changedstored d2d831f697…d5cbc9now …
- 3. Block #4339 hash changedstored 374300bee1…68b48dnow …
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 50 records. Each step hashes the current value together with the sibling shown.
- leaf ef37c0dc2a9897c1daea1e4ee8d48b5193f73b9124a8e5c70eb9781cff5f51d7
- 01 L e0ee230b3d0403a32be016116c470495c1fd527a661cae70b1e93ea61d4dcf16
- 02 R 7ad0155f024188b8ed4d4940144d3bd1094fd85d1f29f5a9081ad4ab1ce8f240
- 03 R 3cfa980e21cee0428b56764c6af992ff9701952c6dad0b8c6e28018faaef56e0
- 04 R 8e9c23a26b63ae9496bca4d38d5d4adbad29c9b8cd1a209b63b49f409d043d03
- 05 L 3085d3082efb42d7ef185e62f8a98c02d0eaa9ec8cc3e0edcb1c60d8009e52a9
- 06 L 1604242c9e1091c877baa6b51955cbb363f1b8d65842041e042783a9856f364c
- root d2d831f6978f96e43d6d4ed2a4ed3ef17e64c0930e45423da44059d368d5cbc9