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
DEPARTMENT OF EDUCATION - DIVISION OF MALABON Award a ₱4.8M contract to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP.National agencies
Transaction hash:
1aa0eb2810ec79e844786d75b0e9d07d92afbc998bd23bd23f053c3fb5569415
Status:
Included and unchanged
Block:
#958 5,055 blocks after it
Position in block:
Transaction 2 of 23
Award day:
Sep 16, 2010 (16 yrs 1 mo ago)
Value:
₱4,823,012.88
Project:
Construction of Two-Storey Eight Classroom Building
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 #958 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)DEPARTMENT OF EDUCATION - DIVISION OF MALABON awarded it to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP. on 2010-09-16.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 1aa0eb2810…569415now …
- 2. Block Merkle root changedstored eb571c28c9…e641f3now …
- 3. Block #958 hash changedstored 8722b36773…a65830now …
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 22 records. Each step hashes the current value together with the sibling shown.
- leaf 1aa0eb2810ec79e844786d75b0e9d07d92afbc998bd23bd23f053c3fb5569415
- 01 R 275c15eae8704e6f131d84bc502479864921360d0d77ae7bc4ee58a632614a9b
- 02 L 340d5d3be0f6bb07c37917d8b580a1ffd480dda57c053553f2cb2ec3f0a44a14
- 03 R 9043890006959a4d01026f0fcca4d37ea0135082df31cd7e4e4f738488b0413b
- 04 R 6f3e740053e960b8baa5556e2d4012c0e6a7f2c72a8846ac0e713e1e34caee1e
- 05 R 2cbac4ed27473cdbd62cd2f2fd9056474fd983ff214bccd120525ecde94f14c6
- root eb571c28c973ec775c9de3cf348714f275e82781933eff0f37397cfcf7e641f3