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 - N. SAMAR 1ST DEO Award a ₱10.7M contract to CDU CONSTRUCTIONNational agencies

Transaction hash:

08e5eff16d62a137b47d007a6ad846495e7f401ba3a5110086d69f3ff848ce66

Status:

Included and unchanged

Block:

#1,098 4,915 blocks after it

Position in block:

Transaction 0 of 26

Award day:

Mar 18, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST DEO

To:

CDU CONSTRUCTION

Value:

₱10,652,587.00

Project:

Upgrading of Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST 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 #1,098 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 - N. SAMAR 1ST DEO awarded it to CDU CONSTRUCTION on 2011-03-18.
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 08e5eff16d…48ce66now …
2. Block Merkle root changed
stored dbb8ed3e07…d47a5enow …
3. Block #1098 hash changed
stored a0b34e0966…ce8b6bnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 25 records. Each step hashes the current value together with the sibling shown.

leaf 08e5eff16d62a137b47d007a6ad846495e7f401ba3a5110086d69f3ff848ce66
01 R 12173a2edcb29af8e16f50de4dc906057fc24bb213bfedd92e91b64ba0f1089f
02 R ce38497c5cd444ebe481eb8b6025bdcc548b5df4de78cdc0a3744d7b212dbe30
03 R a23801712778087100099cd9652f60b9aeefa7ed918aaec86dd573ad86c01cbf
04 R 2702300333e6e655153179af7a50a9c324e217da5f1416c9fa463905c567d44d
05 R 28a204f43d370334c4cb95eb243cb258893e46ac4008eb25703c49c8e6648e15
root dbb8ed3e07e4bae0a7bb6c2a6249a41036a8a318cc0ffb6081f55233d9d47a5e