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 TARLAC Award a ₱562.7K contract to F.A. ASPRER CONSTRUCTIONNational agencies
Transaction hash:
b1f3a0b8bbaddfbd55d4634d02d13aaca7a502df9883fecb037481f10af9944c
Status:
Included and unchanged
Block:
#4,660 1,353 blocks after it
Position in block:
Transaction 164 of 237
Award day:
Dec 15, 2021 (4 yrs 10 mo ago)
Value:
₱562,744.17
Project:
Proposed Repair/Rehab. of extension 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 #4,660 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 TARLAC awarded it to F.A. ASPRER CONSTRUCTION on 2021-12-15.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 b1f3a0b8bb…f9944cnow …
- 2. Block Merkle root changedstored 2d9b908c03…7b879enow …
- 3. Block #4660 hash changedstored 13304d04ab…d9078dnow …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf b1f3a0b8bbaddfbd55d4634d02d13aaca7a502df9883fecb037481f10af9944c
- 01 R b466a9dad8f88b28dc3c436b0fca29365d7a0ee92e9c625576fe5feebf42eb2a
- 02 R 8bbcc8a0388e8292ed25cc8d1e451b6f1a8a374075a7914dbcc3dcd2661d7631
- 03 L 24445bdc75dec9091ae185a1e1301ba8683fb78e88746e7bbd1a300e00d58667
- 04 R 63605fd10efa7e105fcd7a8446f264f56a307f6ddcd311b3aa05de88e7dcf83f
- 05 R 336c0316c5b14d40cc6bf5a1e9e04d307748e7edc02d3cc65487de9f1740fc78
- 06 L 1dc1c06a06a0250c3ead8a6dd8e98f8980b7ce631b26948540f024765334df4b
- 07 R 5997f5d67dcca6dcfa849ec2f5ca1d3318fdeb4ff08c9aec4d82934572997d59
- 08 L 0f975eeb096f48b72eb7611b2ae443d9a4bfa3eec31049ed3e9b6f5319d4db04
- root 2d9b908c03aae0faef1f1d296b6a2f8f0a80d44aa131065f1613cd05e17b879e