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 CENTRO (SAN JUAN), AGDAO, DAVAO CITY Award a ₱100.0K contract to DAVAO ENGINEERS CONTRACTORS COOPERATIVEBarangays

Transaction hash:

419a9ffc4eaa5396feb20259844746d6bac0dff7d883725820e72463d8d62895

Status:

Included and unchanged

Block:

#1,577 4,436 blocks after it

Position in block:

Transaction 18 of 59

Award day:

Oct 4, 2012 (14 yrs 1 mo ago)

From:

BARANGAY CENTRO (SAN JUAN), AGDAO, DAVAO CITY

To:

DAVAO ENGINEERS CONTRACTORS COOPERATIVE

Value:

₱99,950.00

Project:

Concreting of Circumferential Road At Purok Sto. Niño Pelayo

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY CENTRO (SAN JUAN), AGDAO, 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 #1,577 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 CENTRO (SAN JUAN), AGDAO, DAVAO CITY awarded it to DAVAO ENGINEERS CONTRACTORS COOPERATIVE on 2012-10-04.
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 419a9ffc4e…d62895now …
2. Block Merkle root changed
stored fba8bf1ee7…cea2c1now …
3. Block #1577 hash changed
stored 24f2ebfcac…b7b693now …

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

leaf 419a9ffc4eaa5396feb20259844746d6bac0dff7d883725820e72463d8d62895
01 R 4335c4a816587800eeff0654df9a353fa5667c91c1b7d7a0e155f969588c886a
02 L e713b64387a3e4d2f93814ca4f1bd89638dd710a703d46de3f3d368717020ba4
03 R 20b2a79c565611ec3fcb083aba703d984d10ab6e867468d62cd51b34606eb918
04 R 5b8b16069b0d86299261e4fb26710076235f2c78ccbf4ab2ee9b121587c24d1a
05 L 662e7dc6031ebfb5853f9d703b530197ab8a3d187c23d16dc78abb2623b553af
06 R 542c665e2a5c26896cfca18719897ffe82320c1dcf31fac9855643ef2b5c3a24
root fba8bf1ee7164a4a80a5d05fa20eef6602815420aaf930c78a22a11050cea2c1