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 PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST Award a ₱487.5K contract to MIKESTONE BUILDERSNational agencies

Transaction hash:

253da28ca45b509604377cd8d1ca09a3c77214d1e44d710a086127369422d2a4

Status:

Included and unchanged

Block:

#1,520 4,493 blocks after it

Position in block:

Transaction 18 of 110

Award day:

Jul 30, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

MIKESTONE BUILDERS

Value:

₱487,502.40

Project:

Construction of Multi-purpose Building, Concepcion, solano, Nueva Vizcaya

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

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 #1,520 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 PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST awarded it to MIKESTONE BUILDERS on 2012-07-30.
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 253da28ca4…22d2a4now …
2. Block Merkle root changed
stored a675344411…c92a32now …
3. Block #1520 hash changed
stored 053d252a80…89ec9cnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 109 records. Each step hashes the current value together with the sibling shown.

leaf 253da28ca45b509604377cd8d1ca09a3c77214d1e44d710a086127369422d2a4
01 R 269219000ad2739293fe13bec5367ababc21dd4ebc41afb798b6302930cc3e2b
02 L 3f376405f92b0caa101a62b9b77a05544b1f523d622f3c39ba7be6f48f91f4a2
03 R 289b4a7e1aa4d73b480ab9fa62126eb66770b809df0f59dc1f7854453a4b5c15
04 R 6eda0370f69ea71b2cfbf0ca41b54b3acede4e2782bfbb10bfa13e4512392028
05 L 331c4c30edd5fad4a2ad51b60cb35b48ea88babfafabc22b94751518bab7b701
06 R e14f022f7c377544d670f5f5ae5077682b69cfb715472de0a3a88f3c7ea76ba3
07 R 4dfe335e45387970470c9418e6f987d020d12c112c05a966afa633c89806a5a4
root a6753444112c0d86bb1b35c898eeb4dafa1b297850d142ea241cb8291ac92a32