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

API

Transaction action

DEPARTMENT OF EDUCATION - DIVISION OF CAVITE CITY Award a ₱5.7M contract to L. B. SPIRES BUILDERSNational agencies

Transaction hash:

3172c6ecfbcf8a763967b96a67b8b35952b3615c8b3cda63bf6fad7352057587

Status:

Included and unchanged

Block:

#2,004 4,009 blocks after it

Position in block:

Transaction 6 of 37

Award day:

Feb 19, 2014 (12 yrs 8 mo ago)

From:

DEPARTMENT OF EDUCATION - DIVISION OF CAVITE CITY

To:

L. B. SPIRES BUILDERS

Value:

₱5,678,000.00

Project:

Construction Project

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF EDUCATION - DIVISION OF CAVITE CITY

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 #2,004 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF EDUCATION - DIVISION OF CAVITE CITY awarded it to L. B. SPIRES BUILDERS on 2014-02-19.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 3172c6ecfb…057587now …
2. Block Merkle root changed
stored 7ec31e5044…7e6e95now …
3. Block #2004 hash changed
stored d90b54301c…a3fc1dnow …

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 36 records. Each step hashes the current value together with the sibling shown.

leaf 3172c6ecfbcf8a763967b96a67b8b35952b3615c8b3cda63bf6fad7352057587
01 R 3b3d9b95e4834ba16fd78ff6d5e1b631b2658cff60347a8731085a2a20b8b22f
02 L a22acd1adc3215e6885f3af8352ce74f6bda3fad62be8abedb7866b5fd2775f3
03 L dd220f80b6da760ea5eac1e5e7a8c91a524a51b0dbc56fb467ecdba824bd9ba3
04 R 29e4e1e0e6870212bd837fc4aa97bf8f2b946841b75741984ba65140b93c7e4f
05 R ddc74dac02b4b2b17d036036460f9778cc03c1f0fc8fa3bd2fd6c54041f93a02
06 R 9158be84471c893342dc614462720264786e631a2a15e6dd8e9eaeccd484de9a
root 7ec31e504414c601848de2393613ea100ec26f9f8cad3f0b4d12d4dfb77e6e95