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 - BOHOL 1ST ED Award a ₱22.9M contract to B-12 CONSTRUCTION AND TRADING CORPORATIONNational agencies

Transaction hash:

7840947debd9f3aab99dadcd816de001b25ea612a7f6fc521f241c7732ff106a

Status:

Included and unchanged

Block:

#2,261 3,752 blocks after it

Position in block:

Transaction 29 of 58

Award day:

Dec 4, 2014 (11 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED

To:

B-12 CONSTRUCTION AND TRADING CORPORATION

Value:

₱22,945,410.81

Project:

14HA0033

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BOHOL 1ST ED

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 #2,261 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 - BOHOL 1ST ED awarded it to B-12 CONSTRUCTION AND TRADING CORPORATION on 2014-12-04.
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 7840947deb…ff106anow …
2. Block Merkle root changed
stored 1e295b8b3b…fc37c6now …
3. Block #2261 hash changed
stored f179bbca7a…8716canow …

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

leaf 7840947debd9f3aab99dadcd816de001b25ea612a7f6fc521f241c7732ff106a
01 L 70b31ffebe7a83e415608dc094d133074c0c98162a5b43e2d06824762b0bad4a
02 R 19bc163e9c8003e73f62ed62f02c9e93b70ee27abb1242fc52a20f7156e1f52c
03 L d7f43cfe09a9bc41d82645909ffd8021ae6f777d3d6cd6712031366f67bbc8ab
04 L fd3e7bd93510ea8cdd0204cb06e1066ab68e7ea707df112eb82368a96942a1c4
05 L 782305ba4887b25b8864439a22da5ee25feae770da6ffa276e4eabc8eab88fe4
06 R 08d69c2c19677fa5cf8eb7d82f3c383279a923c6209406fbada33212af9464df
root 1e295b8b3bf960c735b5c7c46a2b6fe171ea380f0520673e59611ecf00fc37c6