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-BULACAN 1ST DEO Award a ₱1.9M contract to C.S. GARCIA CONSTRUCTIONNational agencies

Transaction hash:

08e2d9b1498ee080dbf4cd69a9f3f8287fbee3e7db9a0683022a98cdcaf33064

Status:

Included and unchanged

Block:

#734 5,279 blocks after it

Position in block:

Transaction 1 of 28

Award day:

Nov 16, 2009 (16 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST DEO

To:

C.S. GARCIA CONSTRUCTION

Value:

₱1,904,634.40

Project:

Rehabilitation of farm to market road at brgy. Poblacion, Pandi, Bulacan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS-BULACAN 1ST 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 #734 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-BULACAN 1ST DEO awarded it to C.S. GARCIA CONSTRUCTION on 2009-11-16.
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 08e2d9b149…f33064now …
2. Block Merkle root changed
stored 31fcb5350d…83c6c8now …
3. Block #734 hash changed
stored e98a119b3e…7d7aacnow …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.

leaf 08e2d9b1498ee080dbf4cd69a9f3f8287fbee3e7db9a0683022a98cdcaf33064
01 L 04c2b1902af05e9b3c1292e3d00040b87fb9e4fd677682a41e59f7a1e8c801aa
02 R eebbe66753c753c0c0786e1578a546f1bb5466188c9799e22bbd227c32017d51
03 R d17a72a1c3706e140b3eae4e08c056fffa95b1020caa663fe1fd294454fdd4b7
04 R ea0ee29d47cba223c19133f889e63c73fb177b11e6b0aaf36f4aa9857455c664
05 R 571c1f26e0e44c4faa9ebd4a31da1a29fcfad55775ac0a01040d140f3ea82109
root 31fcb5350de8a9b46f3c670c79746e7987847fc0db7d1caa584f74c62b83c6c8