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 ₱498.0K contract to QUEZON VICTORY GENERAL CONTRACTORNational agencies

Transaction hash:

3100bf6cd9ddaaebbecb3bb52cddebfbccbdb60f0e4d78e8ee786cdffa59a8d4

Status:

Included and unchanged

Block:

#587 5,426 blocks after it

Position in block:

Transaction 4 of 13

Award day:

Apr 29, 2009 (17 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 3RD ED

To:

QUEZON VICTORY GENERAL CONTRACTOR

Value:

₱498,007.22

Project:

Repair and Maintenance of National Roads and Bridges along San Francisco-San Andres Road, Km. 326+000–Km. 328+000 (San Francisco Side),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 #587 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 QUEZON VICTORY GENERAL CONTRACTOR on 2009-04-29.
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 3100bf6cd9…59a8d4now …
2. Block Merkle root changed
stored bed5cdb463…826dc6now …
3. Block #587 hash changed
stored 46acbea83d…c6a25bnow …

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

leaf 3100bf6cd9ddaaebbecb3bb52cddebfbccbdb60f0e4d78e8ee786cdffa59a8d4
01 R 3569e54a4157a17f190b14bddc61ad172ae41d8d418883b032b2082b46c19fa8
02 R 1389ec04bf23038008dab2555821c51d3e119e436a95a0bdffcf0ce293b91e52
03 L 71b9a0197c7e447a341bf0f68e1639ffe1103bb4c35255f4a0281fcb5a831df8
04 R 7df5bd0fbc6cc7ea48be8d987731679e1b89640cd1507d07a57480cbb99dac11
root bed5cdb463a3c6cab8cb1f8908c17646d65adf918730e6b79cfde928b8826dc6