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 - QUEZON 2ND ED Award a ₱40.8M contract to R.V. LABORTE BUILDERSNational agencies

Transaction hash:

dcabc75c0aeccb2d564f1d332559ed4a74ba892d5e9ee5333b13af13d7485c4b

Status:

Included and unchanged

Block:

#1,675 4,338 blocks after it

Position in block:

Transaction 56 of 71

Award day:

Feb 8, 2013 (13 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

R.V. LABORTE BUILDERS

Value:

₱40,806,822.59

Project:

12dj0111

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND 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 #1,675 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 - QUEZON 2ND ED awarded it to R.V. LABORTE BUILDERS on 2013-02-08.
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 dcabc75c0a…485c4bnow …
2. Block Merkle root changed
stored b392b21fce…81fbebnow …
3. Block #1675 hash changed
stored 093d7c8b81…318f0enow …

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

leaf dcabc75c0aeccb2d564f1d332559ed4a74ba892d5e9ee5333b13af13d7485c4b
01 R dcc57e40cfb052829b64adbf06992619e7459182ab0ad6d6b2479e5eb7d8f8c4
02 R 28c30c325fedfe9dd6d4dab8c922b20b4d7cc5d1aa8924f126d8c5189bb7e117
03 R b7d4acd8b728d265918bb4812581aa84c51ec3ea1e60d4474a7eda27e7b99362
04 L 414a234bb1aae4827c97d6ac5d0e871adb77668a85116541dc22ea1437c356b2
05 L 372c766bf41d822869ad7fb6e0606ce1e287a74a7a1fb9ffa6afe7b7d376a91b
06 L ba9c2d32fb8cc46e2640a23ff1e0bf7f48a5924517b5cde528ec4126aefc4bce
07 R 1b6796bd74dd2aff6b7da683872fbb7b1b376fd1dc7d44b2df3ab495c5d46a3b
root b392b21fced25d44a7c65ff6f3ed9cdd9ed69dc24b0c2d4ad29e2535c481fbeb