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

BARANGAY 76-A, DAVAO CITY Award a ₱199.3K contract to HORVER DEV. & CONST. CORPORATIONBarangays

Transaction hash:

b2971ca9b098e69815bcb663c953fff5f27d59e49cf16af76082bed6c1bd8720

Status:

Included and unchanged

Block:

#1,831 4,182 blocks after it

Position in block:

Transaction 39 of 53

Award day:

Aug 13, 2013 (13 yrs 3 mo ago)

From:

BARANGAY 76-A, DAVAO CITY

To:

HORVER DEV. & CONST. CORPORATION

Value:

₱199,300.00

Project:

Concreting of 2M Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY 76-A, DAVAO CITY

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 #1,831 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)
BARANGAY 76-A, DAVAO CITY awarded it to HORVER DEV. & CONST. CORPORATION on 2013-08-13.
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 b2971ca9b0…bd8720now …
2. Block Merkle root changed
stored f335c9290f…1ed56dnow …
3. Block #1831 hash changed
stored 3f2b86f23d…4d049fnow …

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

leaf b2971ca9b098e69815bcb663c953fff5f27d59e49cf16af76082bed6c1bd8720
01 L a8482269165a9d7f60c347f3acd4a5f794712238b5596be74ac735deb4114505
02 L dc3df3c448fa7a49eb2c0382c0d4d6d8daeb4b4d7e07ffc29e90e840ac40b340
03 L 8e5caf44ae909dfe4a4e24309560a398e749d2d451f9a86f6dab0c5bfff668a4
04 R 09b0c89710b80caac7d105bd097ccf3664a4cd46a03bc6d6ec1acb8b926228c8
05 R ba57ec9d30f6dbb9c2d5e71aab71a30a583e710851ba4521e522f1fa1fe0baf8
06 L 341d2f720921fc85ab73d90d1509424ab317c9173105dc327b65e764ca64f593
root f335c9290fe4e38ab41a663e4fd4e3cd2ef8a20585067fc8e96c4945ab1ed56d