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

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE Award a ₱4.7M contract to MAR-VEL CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

dfed711faedafd552a14c5983d304177f1e25274b2d0f0d72f2d1a83e633c910

Status:

Included and unchanged

Block:

#1,237 4,776 blocks after it

Position in block:

Transaction 41 of 46

Award day:

Sep 7, 2011 (15 yrs 2 mo ago)

From:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

To:

MAR-VEL CONSTRUCTION & SUPPLY

Value:

₱4,682,265.00

Project:

ITPB NO. 2011-12 (11DI0077) Construction of Bambang-Dampalit Road Los Baños, Laguna

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

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 #1,237 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)
DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE awarded it to MAR-VEL CONSTRUCTION & SUPPLY on 2011-09-07.
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 dfed711fae…33c910now …
2. Block Merkle root changed
stored 746421181b…88e771now …
3. Block #1237 hash changed
stored 5295619043…d71e0enow …

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

leaf dfed711faedafd552a14c5983d304177f1e25274b2d0f0d72f2d1a83e633c910
01 L dfab29980670812a8564a75bafc85fb1a9540163dfb8038a8a93039786f87610
02 R f2c302417b583fb1f573ea6f954d64f8b2838c7f4fd31aabe455ca59f96fd580
03 R c93c46ba8545845f10aae1c280038f3d9cb8fee0e96a4b7551fc31ed9dd19317
04 L 54f77d88e92d73c22e77d50fc6955c8f9da6c41953aa24d900945daa11c75715
05 R 0027160e2f4195bdb2959beda963ca8f55ad9ca0841c59fedbcae99fd3b23034
06 L 250324f15250a6e54ed23311b407cd2515e27364988cab7f2baa055c0b10e9fb
root 746421181b936054ae1566851f64e279891c925337d33ec29f93ec856d88e771