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 HIGHWAYS - CEBU CITY DEO Award a ₱1.8M contract to 3S BUILDERSNational agencies

Transaction hash:

6abc49cefe387c6ef0c8ba6e789615e03c6d0868b7648e532b65dd374aca2c83

Status:

Included and unchanged

Block:

#1,318 4,695 blocks after it

Position in block:

Transaction 36 of 79

Award day:

Dec 9, 2011 (14 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

3S BUILDERS

Value:

₱1,798,386.20

Project:

Desilting of Mabolo Creek from Sitio Lahing-Lahing to Ayala Access Road (Box Culvert), Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU 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 #1,318 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 HIGHWAYS - CEBU CITY DEO awarded it to 3S BUILDERS on 2011-12-09.
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 6abc49cefe…ca2c83now …
2. Block Merkle root changed
stored 20f4d66845…20ec20now …
3. Block #1318 hash changed
stored 8150666abc…68415dnow …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 78 records. Each step hashes the current value together with the sibling shown.

leaf 6abc49cefe387c6ef0c8ba6e789615e03c6d0868b7648e532b65dd374aca2c83
01 R 6c1d20232df9770d568548161a7abc583417ce99c026ab72a3de3a96b36a39a4
02 R 5764b2d43c02892f5b2397b2bfe64b2ab73e57fcf3ff7c28c6e2b0cfc5169438
03 L b77d5a7e17aab1eb78c2a92b22ea17fbb9c5fd4b8489fdd131a7dd04cb441c64
04 R b4f171e06962999d64d81fa2e07d6f005a10d35b966838435260ff58dbdeca74
05 R ef045cb8f902be7bcbd9ae3a13323ec0308243573804d71ed06cda8228e61dd9
06 L 9cfb1a108cbf21476ff30da4684c9b729896d50e0c6cf42ae151d9ee146a7a6c
07 R c1d51bcfaab4fa3254806b560c56902ff525e9481faf10318cbec8a5db865841
root 20f4d66845022f2b55a789ba1bb2680903e62a5dd713958e1e0870696520ec20