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 - REGION II Award a ₱62.9M contract to J.D. LEGASPI CONSTRUCTIONNational agencies

Transaction hash:

5a41d79f94d6567cb60a2d79388a0ce3cbb9478b3afa8d79f306a0ae8154b6fa

Status:

Included and unchanged

Block:

#416 5,597 blocks after it

Position in block:

Transaction 11 of 34

Award day:

Sep 1, 2008 (18 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

To:

J.D. LEGASPI CONSTRUCTION

Value:

₱62,892,805.88

Project:

Construction of Solano- Quezon Road, Sta. 00+000.00-Sta. 10+270.00, (KM 343+426.47-KM. 353+686.47), Nueva Vizcaya

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION II

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 #416 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 - REGION II awarded it to J.D. LEGASPI CONSTRUCTION on 2008-09-01.
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 5a41d79f94…54b6fanow …
2. Block Merkle root changed
stored dea0807969…ea468anow …
3. Block #416 hash changed
stored 4291cf1a84…41d6bfnow …

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

leaf 5a41d79f94d6567cb60a2d79388a0ce3cbb9478b3afa8d79f306a0ae8154b6fa
01 L 5284c4e29171b90b99f86974041ab96813189a1106d8332103ac945dc4200c89
02 L 9dd26644c61b2b65564b31d591e5e9d7f3a4d5fa1856a26b0b84754aa99f45eb
03 R 9fb45f72ce604056aadf0c7aca9379c0e8d9846d5b20b585728bb9f939cd16f5
04 L 65fa81468328b464febcc0df81ec2b7b3d97fb0592e4030339fcb70843d3f108
05 R 58a2c3db126d5dadfdbe01eb254f66710b9b6255be296a82622e5ff30e9299be
06 R e76e54ade748a5b00471d7754a51a2b74a0e27a323c89df893b494053d6139c4
root dea0807969cf1ccb120f10eac5626fd4dd64f5acc911f2db10dbbcf178ea468a