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 XII Award a ₱105.5M contract to ST. GERRARD CONSTRUCTIONNational agencies

Transaction hash:

e6763b45c4aef6d0cbd15b2d7094456fa80e4dacc800abe4280e2b2b99469ceb

Status:

Included and unchanged

Block:

#2,349 3,664 blocks after it

Position in block:

Transaction 97 of 105

Award day:

Mar 13, 2015 (11 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

To:

ST. GERRARD CONSTRUCTION

Value:

₱105,515,313.70

Project:

15M00027

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - REGION XII

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 #2,349 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 XII awarded it to ST. GERRARD CONSTRUCTION on 2015-03-13.
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 e6763b45c4…469cebnow …
2. Block Merkle root changed
stored 0d110dc9e3…5d28e6now …
3. Block #2349 hash changed
stored 7845926e6e…a87f42now …

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

leaf e6763b45c4aef6d0cbd15b2d7094456fa80e4dacc800abe4280e2b2b99469ceb
01 L e38bd89a058dfff95867b959f335d0def23e70cc8542d47f515c419cc5aeb857
02 R bb5d1bc58a6f62c30ef0cab847eb8842550845cb87797f058bd584723754b224
03 R 893477f6b63bbd32569ea47dbf5a86e587a4480ddd25133cafc5908cdacfe5fc
04 R 7993123642ed96ca8c406b392a2055f8b624bbe14c2aa04feaaf920704a84ae7
05 R 1afdde991d792aae96dd9e37c70a6cc7de3f36f207b38a4e9b8ad7196eddc28b
06 L 064e9281dad75a2cf4dba6fd9e2586a8add292cf55db1763a5bbc6921b440a13
07 L addb02ae0c9e88a42eb78ed9dd1c31f434dc3db5da4d25d074463115dc069ccf
root 0d110dc9e36be7336b5c44f7f5c10ef13c8bdb0451524d1b0d250860455d28e6