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 CITY 1ST ED Award a ₱3.9M contract to D.R. ROBLES CONSTRUCTIONNational agencies

Transaction hash:

ce9b0c2bde0dfd6be42567b07da3886ddff10fbf83a7bcd20e3265c54fa44cb1

Status:

Included and unchanged

Block:

#1,493 4,520 blocks after it

Position in block:

Transaction 85 of 103

Award day:

Jun 29, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST ED

To:

D.R. ROBLES CONSTRUCTION

Value:

₱3,919,954.39

Project:

Rehabilitation of Multi-Purpose Building at Brgy. Bagong Pag-asa, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 1ST 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 #1,493 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 CITY 1ST ED awarded it to D.R. ROBLES CONSTRUCTION on 2012-06-29.
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 ce9b0c2bde…a44cb1now …
2. Block Merkle root changed
stored c27ef5f85d…9575b8now …
3. Block #1493 hash changed
stored 8c03d06cb1…b722afnow …

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

leaf ce9b0c2bde0dfd6be42567b07da3886ddff10fbf83a7bcd20e3265c54fa44cb1
01 L cd9a59db1f790dc3e3b3cd01ef74c7046e88a5c035659a6c6ce2f1aa8e7c0244
02 R 9b2626bc1adb4ea87ad8fb39a44ab9a0a0740fdf45da85bb7626b6c62a266c63
03 L 117721cc528f91978b3189ef4ae05221f621d03291e66e140d6012d11a017c2a
04 R 7e32b0893ff954c906b52202a7f0dc94f0ce31c9b2b0f8270def64750e47d084
05 L 34b0222fb3f4b00b6d5262da8a2993c1acf823a8eb2dee10fb0f1a91f0cc1a40
06 R fc246518cbce35ca67e3fa9a5a75084a1edc7a3ee27d6a0255413dda7477a7c9
07 L e203bd555238b5192ba9bc7547086ce6e8f0a48c7595eb4fcb4f25df7c59ccd3
root c27ef5f85df09840a9e865d166a24f54b0539153eb099d68cbb4c77e6a9575b8