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 ₱3.7M contract to EML CONSTRUCTION & TRADINGNational agencies

Transaction hash:

4efc22a3d994c2f6c0f5b87aa32859c51314715d58ca43f9b626497f6bcedf47

Status:

Included and unchanged

Block:

#1,154 4,859 blocks after it

Position in block:

Transaction 12 of 51

Award day:

May 30, 2011 (15 yrs 5 mo ago)

From:

DPWH-LAGUNA II DISTRICT ENGINEERING OFFICE

To:

EML CONSTRUCTION & TRADING

Value:

₱3,710,488.57

Project:

ITPB NO. 2011-09(11DI0059) Const. of multi-purpose bldg.. at Brgy. Pooc, Santa Rosa City

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 #1,154 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 EML CONSTRUCTION & TRADING on 2011-05-30.
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 4efc22a3d9…cedf47now …
2. Block Merkle root changed
stored fa243a4e4b…5008a3now …
3. Block #1154 hash changed
stored d3c426f814…c0ed15now …

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

leaf 4efc22a3d994c2f6c0f5b87aa32859c51314715d58ca43f9b626497f6bcedf47
01 R 5ac200c7057f7fef8d2ca352150d7d63fdc7d4c885a49c6c2e99eece6762facf
02 R 00945fdca1fcb89ac89bcec74b5cdbf23a9ff0760bd5c2ac169c0f22f3c5b99a
03 L c7bdcd4732804161c6103c7ccbdf55bf9e11f698320f2f2b1d0bf6b89a8ef918
04 L 9e23cae8e6c7459f0842be1698d1cd6a664dfbf7fccae5c1bf5e47b62fd31abf
05 R 5bbbfea4862ddb5bb33d23137fe050b3a26567574d4dcbacab8a63dba9a65d38
06 R da2fcae0b78db8df546286a148f361542b5c07faf6dd9f391ff5ee56ee74ee51
root fa243a4e4b7f65d8d53ea4da1b33a057e91bb30093dda31ad21a7c9a9d5008a3