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
NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES Award a ₱2.0M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
5d6c8ae451e890bac031b7c7a0a25f1901ac52d9249b13c36187c07110769b7d
Status:
Included and unchanged
Block:
#2,038 3,975 blocks after it
Position in block:
Transaction 1 of 3
Award day:
Mar 30, 2014 (12 yrs 7 mo ago)
Value:
₱2,000,000.00
Project:
Construction Projects
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 #2,038 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)NATIONAL HISTORICAL COMMISSION OF THE PHILIPPINES awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2014-03-30.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 5d6c8ae451…769b7dnow …
- 2. Block Merkle root changedstored d5bcb4cc76…d784e1now …
- 3. Block #2038 hash changedstored 01c865f833…8b3cc1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (2 steps)
How this one record is tied to the block's Merkle root, without needing the other 2 records. Each step hashes the current value together with the sibling shown.
- leaf 5d6c8ae451e890bac031b7c7a0a25f1901ac52d9249b13c36187c07110769b7d
- 01 L 5cc14204bdf6c93144879a7970af8136de961c253254dea6f8b1684ee5261cbc
- 02 R 8c6fa91307a2f3f80c83c7371bdb3c5a1ec91a42142f95a8c1acf0d80743e4df
- root d5bcb4cc7630c14c235656a9ff74bc5e9080069b7b7364021714e767b7d784e1