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 OZAMIS CITY Award a ₱3.9M contract to NELSON S. LEE CONSTRUCTIONNational agencies
Transaction hash:
6bb4d237aede75c23083213e16411be50d54e81e91a46db00c0b76a1a92d2f2c
Status:
Included and unchanged
Block:
#1,021 4,992 blocks after it
Position in block:
Transaction 5 of 11
Award day:
Dec 8, 2010 (15 yrs 11 mo ago)
Value:
₱3,856,563.35
Project:
Rehabilitation of Gabaldon 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 #1,021 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 OZAMIS CITY awarded it to NELSON S. LEE CONSTRUCTION on 2010-12-08.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 6bb4d237ae…2d2f2cnow …
- 2. Block Merkle root changedstored e6ff870950…8e7e49now …
- 3. Block #1021 hash changedstored 1b45b02442…bdb9c1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 10 records. Each step hashes the current value together with the sibling shown.
- leaf 6bb4d237aede75c23083213e16411be50d54e81e91a46db00c0b76a1a92d2f2c
- 01 L 61148f37573a44ac29d4044e3dbc979b6975e3927ba2d44bb1613e036efea5f6
- 02 R df9b2ca991e803f9f07e214b3b334ea009b2311970c8e5c5ddd5070df7175fd8
- 03 L 444bd539d1fa29e1f61200b5eea62c0a0289d0e7570cd088d93c8990e2786c80
- 04 R 0164ed0070b72d7458cc669807fc0fc4486b147d034c1cd76b2411ca80a981c9
- root e6ff8709504d32442f4243c1d1e9e37e4bf14b3f0b5bc90ae0b57b27ad8e7e49