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 - BATAAN 2ND DEO Award a ₱3.4M contract to JOHN ARNE CONSTRUCTIONNational agencies

Transaction hash:

956a82af09bbdd7dca3ff2e8b168273947e34a2b37a7ebbf90008fb772ee4aa6

Status:

Included and unchanged

Block:

#1,329 4,684 blocks after it

Position in block:

Transaction 23 of 43

Award day:

Dec 22, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO

To:

JOHN ARNE CONSTRUCTION

Value:

₱3,357,432.70

Project:

Construction of Multi-Purpose Building/Hall (mortuary Burulang Bayan) Concepcion St., Poblacion, MAriveles, Bataan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BATAAN 2ND DEO

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 #1,329 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 - BATAAN 2ND DEO awarded it to JOHN ARNE CONSTRUCTION on 2011-12-22.
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 956a82af09…ee4aa6now …
2. Block Merkle root changed
stored 135ed094c8…7bc693now …
3. Block #1329 hash changed
stored 26d491f2da…061183now …

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

leaf 956a82af09bbdd7dca3ff2e8b168273947e34a2b37a7ebbf90008fb772ee4aa6
01 L 933878c98a53032ae783d61d0220dba6e417180462fabdf16d2974058f884835
02 L 5c377647a3049551e136918fcf9e443610c255cea36bcb8daa9677b4f5f37fc5
03 L dabbc5e4b1d99364c09d4e3d042f9e17d7c1ab533750ace674663538b99f2135
04 R a6e08f0730ac651d7d3eab45666677cadc5363f49daa02e975a560ff0377571b
05 L c9686ff16fd7aa07a087915c45f134a64783d1a39f912d39f46e1e491fb863cb
06 R aa9d10d6a7706fda64ff367b54785ea4e90435361012ba35c87e5fb5885cb497
root 135ed094c840680f3ef54a924c67603bababd40a6e9e882e6f68a1bae07bc693