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 - BUTUAN CITY DEO Award a ₱3.1M contract to WILLTORR CONSTRUCTIONNational agencies

Transaction hash:

23a5ee086af3fc87a8d9cd0e544696d53861fa87b53703f5066beadc785fad8d

Status:

Included and unchanged

Block:

#3,252 2,761 blocks after it

Position in block:

Transaction 31 of 246

Award day:

Nov 21, 2017 (8 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BUTUAN CITY DEO

To:

WILLTORR CONSTRUCTION

Value:

₱3,134,907.82

Project:

17ND0098

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BUTUAN CITY 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 #3,252 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)
DPWH lists the funding source as "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 GAA. The exact UACS line is not given.
Partly
Open
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 - BUTUAN CITY DEO awarded it to WILLTORR CONSTRUCTION on 2017-11-21.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17ND0098: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2018-03-01). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 23a5ee086a…5fad8dnow …
2. Block Merkle root changed
stored 63b9a715a9…41f2fcnow …
3. Block #3252 hash changed
stored 0f5c4d9a44…17b1b9now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 245 records. Each step hashes the current value together with the sibling shown.

leaf 23a5ee086af3fc87a8d9cd0e544696d53861fa87b53703f5066beadc785fad8d
01 L 20bc0c0ba50de20ec72e5ac5b42517bde04ce1cd45df822d832c665178857c2d
02 L 594d6993a0ede8bd667be53dc51bec25ab3d39724dd0265fcb5632282dd1a74f
03 L 8577cb08184f2706c2428d939a13e4e91698da75155e7be8cd196e2b94bda6d1
04 L ead36c4f12b6e9f3623f06c7e4f65cb5464cb7cf6c69805bcc6d024df0c525f9
05 L 0e9f863855470a00dedfc123ca5704613bc536ef10c4d4645d6d671c00b1e617
06 R 9defde4021a4903a5c22cba0e50a88bd0c8b34d58da66f96cfa3f47ebd813d93
07 R 27297a90b6bdec4a7c61441fdca83ed834396e1dc2981a7ff2e41ed40e36a226
08 R 4156b9a4f27f38cb54f027f2573d7ee37ca5c61c8e9c20fedcf56068759832db
root 63b9a715a950fce3dcf0cf25add307b28d4ee4cb117dbcbe090e67e9ba41f2fc