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

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE Award a ₱1.4M contract to SILJURE CONSTRUCTIONCities

Transaction hash:

cbb1a0b36d6464bf6468e3e407ace5ea561cc9b518c1f64997e46984f24625a5

Status:

Included and unchanged

Block:

#1,732 4,281 blocks after it

Position in block:

Transaction 16 of 21

Award day:

Apr 17, 2013 (13 yrs 6 mo ago)

From:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

To:

SILJURE CONSTRUCTION

Value:

₱1,370,005.54

Project:

Civil Works

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE

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 #1,732 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)
CITY OF ISLAND GARDEN OF SAMAL, DAVAO DEL NORTE awarded it to SILJURE CONSTRUCTION on 2013-04-17.
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 cbb1a0b36d…4625a5now …
2. Block Merkle root changed
stored d9ee5df87c…8d9a5fnow …
3. Block #1732 hash changed
stored 47ef4e67c1…63ba63now …

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

leaf cbb1a0b36d6464bf6468e3e407ace5ea561cc9b518c1f64997e46984f24625a5
01 R cc2454bd776744a3470e4e0e7d31c1516f49ac3eba97ba5421b60662ff4b5766
02 R be09e35ae0639d05e651b83accb2c50c3a1783ab7e71e26c261a873407248f52
03 R bc6ac5e01ca728b182338794d4c7608c437642ec78c7e8e3c6ac4114909f00dc
04 R b1b1eaeb8aefb4e15a004a341fe28971ff5c85ba4cbad32228bbd5d87cb493c2
05 L 0897c6491bd0f6804a817c1b51271485a89dbf7c108b76e6c3720264da66513e
root d9ee5df87c2581106dc032c7037713b1d543d05b42cfebfcf5071a36ff8d9a5f