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 AND HIGHWAYS - QUEZON 3RD ED Award a ₱19.2M contract to CEDAN CONSTRUCTIONNational agencies

Transaction hash:

d2f53da449592ba54848cccf7cf718e2469f79fac404b8ac58ff969a755938c9

Status:

Included and unchanged

Block:

#500 5,513 blocks after it

Position in block:

Transaction 17 of 23

Award day:

Dec 24, 2008 (17 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

CEDAN CONSTRUCTION

Value:

₱19,249,062.00

Project:

Improvement/Rehabilitation of Lopez-Buenavista Road and Catanauan-Buenavista Road, Km. 247+500 – Km. 249+000 and Km. 269+000 – Km. 279+000, Quezon III

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

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 #500 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 AND HIGHWAYS - QUEZON 3RD ED awarded it to CEDAN CONSTRUCTION on 2008-12-24.
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 d2f53da449…5938c9now …
2. Block Merkle root changed
stored 6e1f95d2ac…29303dnow …
3. Block #500 hash changed
stored 82bbfb3a3b…ff7459now …

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

leaf d2f53da449592ba54848cccf7cf718e2469f79fac404b8ac58ff969a755938c9
01 L cc9f8b5a4eb51378e02bff4f61fbbb3526e71f47513e4261f4b437cc88efee59
02 R f4d7a19c40eadd945e77cb4fdd6e9e9d03bcd484d6c5ccf6b63b610684b4cbc6
03 R 992eb9b7609452637e0e1ccf3591399166c0f0e4bb3869bdec56205f78faea32
04 R a65305fc61b5c02b498d57df3ed01ac016d22d622ae390a8f7d3e8540fc296a4
05 L c2b99022e618d9713aec850f4b517ebafe57350c62c528ee173762ce89ebdae2
root 6e1f95d2aca897a0a45db22fd89f3db83e250cbae2dc4e79eb2c3313a529303d