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 - ISABELA 3RD DEO Award a ₱526.4K contract to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERSNational agencies

Transaction hash:

bd74d0200c3ccf59cc67ec9a486eec8e2ca45d1a0b5968ccffa9b5df0d4ac808

Status:

Included and unchanged

Block:

#1,406 4,607 blocks after it

Position in block:

Transaction 32 of 45

Award day:

Mar 20, 2012 (14 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS

Value:

₱526,372.82

Project:

Const. of 1 CL School Building at ISU, San Mateo Campus, San Mateo, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

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 #1,406 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 - ISABELA 3RD DEO awarded it to CAUAYAN UNITED ENTERPRISES AND CONSTRUCTION BUILDERS on 2012-03-20.
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 bd74d0200c…4ac808now …
2. Block Merkle root changed
stored 8cc4ba0120…fc95d9now …
3. Block #1406 hash changed
stored b38af11267…c966c9now …

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

leaf bd74d0200c3ccf59cc67ec9a486eec8e2ca45d1a0b5968ccffa9b5df0d4ac808
01 R c512d5f6c7109d7b8c312dde64855a6ab823d38b6bd02b6f3f1aa4a5dceeb44a
02 R 0655c67b0c4ac9c29f1bd97066b92b95f98b0bd946fbdc5fd2fdfd7526a52d24
03 R 79f7e433b4c760c915a005b722ba3fd5b2c85067a8f053a379eb4527439e377c
04 R 4e35cb81680c3b17eff1645d460daa46b4b9ffd63e043aa468a0d283d41d84ff
05 R 7715de09f160d5df77b9c77bde4a060356f96701b96ee7b205805a8fc1f1cbd7
06 L a206ca9c0e08bf3175f3e49461c4ce840a64439bd75a9c3d12d5675004604d7f
root 8cc4ba0120b8431a632a9ffe1ccdb2215cbb07844457164f0c86ac6226fc95d9