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 - CAR Award a ₱865.9K contract to H.D. DE CASTRO CONSTRUCTIONNational agencies

Transaction hash:

a378f5cfa7d6edd78bc6d9bc6110f66fb783638496ddf1876e1773e32a159478

Status:

Included and unchanged

Block:

#1,330 4,683 blocks after it

Position in block:

Transaction 57 of 93

Award day:

Dec 23, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

To:

H.D. DE CASTRO CONSTRUCTION

Value:

₱865,864.69

Project:

Cluster 10 Rehabilitation/Repair of Barangay Roadside/Roads, a) Atok Trail Barangay b) Kias Barangay c) Loakan Apugan Barangay d) PMA Fort Del Pilar Barangay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAR

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 #1,330 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 - CAR awarded it to H.D. DE CASTRO CONSTRUCTION on 2011-12-23.
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 a378f5cfa7…159478now …
2. Block Merkle root changed
stored 7465832db7…cdf896now …
3. Block #1330 hash changed
stored ad23e41d46…9ece92now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 92 records. Each step hashes the current value together with the sibling shown.

leaf a378f5cfa7d6edd78bc6d9bc6110f66fb783638496ddf1876e1773e32a159478
01 L 992ee4a4dd56492768eac426b32cab03fbaa2325b664a596ea4ee215e88e9047
02 R 86c99303fd5baa817ae1c5f346fe6d9840ef69ea191030c1dd17704be77542e6
03 R 99ce3bd573c4a9325ce442165743f0a284b284fd9b3ea0a78bc51933284f2ad5
04 L 30e3d0c21f3cda5706dc378475a0964a17c51194ffa2cd86f245e51b1d68bd49
05 L 37eccd9f793f5dac9255e0fef48cb5505ea2c4c6571e7bfbe9070f0db0562bf1
06 L f351ec1013a70fc22bb8ca622fd5ff4f4e1fe33d4d7a69b61229803feb18140c
07 R 0dbeaab4307123eaaee601bf8ef641fb08939b3477e510f22f9cfae0d33633a6
root 7465832db7e5230d16573c32cbecbf3dca0fc38efcca40e41da91b09f9cdf896