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 ₱1.4M contract to MIGHTY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

f52d7201583d5efdfa4b13f0f01b587773de531e3e487893b3f71237e0693f0b

Status:

Included and unchanged

Block:

#1,394 4,619 blocks after it

Position in block:

Transaction 57 of 64

Award day:

Mar 5, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NUEVA VIZCAYA 1ST

To:

MIGHTY CONSTRUCTION AND SUPPLY

Value:

₱1,425,290.00

Project:

Construction of Multi-purpose Building (Brgy. Covered Court) Baretbet, Bagabag, 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 #1,394 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 MIGHTY CONSTRUCTION AND SUPPLY on 2012-03-05.
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 f52d720158…693f0bnow …
2. Block Merkle root changed
stored c3ee3263c9…18ccc1now …
3. Block #1394 hash changed
stored 9ec2f11632…0242d0now …

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

leaf f52d7201583d5efdfa4b13f0f01b587773de531e3e487893b3f71237e0693f0b
01 L f397905672652757802b108e110cd7adc440118b594aba7c14cecd995edd4c74
02 R 8f0367822484677081ad62d68a6b6b1940d259f1800e11639db07bde18b1425a
03 R 6d263b364837f3b7e1b5d05311c337dd62e589f769590db0d09b92658b422888
04 L bf6b36f359f47a6f55166c2ae4b842a01f2a1bdbd395d895b19dedbcd9539ffe
05 L baa24828468ef3ca636bb2a8a2ca7bd4de53913394a46680b61047889acf11e6
06 L afb18f682dc0551a2c44b0e76bbb25fb83628e98b409b9d5e72c306501ae4632
root c3ee3263c906cec2e8af161c05328c195cf3bedc9a810aae9a08319ffe18ccc1