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 ₱960.0K contract to CEBU HAYDTER CONSTRUCTIONNational agencies

Transaction hash:

8a0b370e09398b8ef893406981b7359b7dd839a8d5e4a9f71d25be256713be70

Status:

Included and unchanged

Block:

#702 5,311 blocks after it

Position in block:

Transaction 8 of 12

Award day:

Oct 5, 2009 (17 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

CEBU HAYDTER CONSTRUCTION

Value:

₱960,000.00

Project:

Cluster III-Buildings a) Repair/Improvement of Multi-Purpose Bldg., Brgy. Cogon Ramos and b) Completion of Multi-Purpose Bldg., Brgy. San Antonio, 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 #702 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 CEBU HAYDTER CONSTRUCTION on 2009-10-05.
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 8a0b370e09…13be70now …
2. Block Merkle root changed
stored 4e2044a0cb…08c698now …
3. Block #702 hash changed
stored 8abc80b8a0…e3a1c5now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 11 records. Each step hashes the current value together with the sibling shown.

leaf 8a0b370e09398b8ef893406981b7359b7dd839a8d5e4a9f71d25be256713be70
01 R 8f0c77638db1c58d39095687c2481d0a6afdb3667d2f10b4f39d89dbc2a21065
02 R 845f8319c5f3b1c86c3256e04c533080fb2c9985bff777091c28deb0e80bd690
03 R 52380e225746eceeacd32561c96dd8f37fac3474dcedb510ea17c3343a1efa2e
04 L 568c8a78f5217bc7e82dec4669b5008878777e3823bf691e8b07938ecbbe0d2f
root 4e2044a0cbe86ba110b02adf89a3f3480868fabb016b4c3c6150712c7008c698