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 3RD ED Award a ₱9.6M contract to RITZ COMMERCIALNational agencies

Transaction hash:

c538c1c1a77448c8ca41b9effa484a140a45712cd7b0e06cfb3f92f608310dc3

Status:

Included and unchanged

Block:

#803 5,210 blocks after it

Position in block:

Transaction 61 of 74

Award day:

Feb 19, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

RITZ COMMERCIAL

Value:

₱9,583,097.25

Project:

Improvement of Gumaca (Sisirin)-Pitogo-Mulanay-San Narciso National Road, Km. 274+282 – Km. 304+012, Intermittent Section, Quezon III

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD 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 #803 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 3RD ED awarded it to RITZ COMMERCIAL on 2010-02-19.
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 c538c1c1a7…310dc3now …
2. Block Merkle root changed
stored ba5efd65d0…50cd23now …
3. Block #803 hash changed
stored 12c1886c1b…fa9874now …

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

leaf c538c1c1a77448c8ca41b9effa484a140a45712cd7b0e06cfb3f92f608310dc3
01 L c0f490a0544564ca4ddf68a7da32c0b00bd55d8ad23b39f3f8537294680f8ef7
02 R 833d6d0181547f7558885f01c02686f5eb306a5fd308efffa84c2bd9202d718d
03 L b97cff5ad098dffe69494ba9e5ee77ced9be484a19386b83005c383150862b87
04 L e7120c41a580f1c1ab376a3e611d26dc30564ad65757f19f4fa16eb11c12c231
05 L de7df48fced0a0f7de9bdfc3ef0fe99987ea1191136527cdf412a7f080875b42
06 L 3764c35f66f8a289798f980d553436a1817333face9cda01b115f36ada85d352
07 R 8159e0ec34d09d8f4f4bb35b23843d1ada608e7f1cdb9e79870aae7196781493
root ba5efd65d064d248e042e1cad40fe8f1f6076d546e0df50eb5c954e49950cd23