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 - LAGUNA 1ST ED Award a ₱2.0M contract to STRONGLANE CONSTRUCTION & TRADINGNational agencies

Transaction hash:

7caa28efbb892144ee09b1856e017a7d117c64333b609ffab665f86aa51b609b

Status:

Included and unchanged

Block:

#1,305 4,708 blocks after it

Position in block:

Transaction 31 of 53

Award day:

Nov 25, 2011 (14 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 1ST ED

To:

STRONGLANE CONSTRUCTION & TRADING

Value:

₱1,960,037.70

Project:

Repair and maintenance of Flood Control Structures at Sta. Cruz River Control along Sta Cruz River, Brgy. Sto Angel Sur, Sta. Cruz, Laguna

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA 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 #1,305 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 - LAGUNA 1ST ED awarded it to STRONGLANE CONSTRUCTION & TRADING on 2011-11-25.
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 7caa28efbb…1b609bnow …
2. Block Merkle root changed
stored 378264d070…411376now …
3. Block #1305 hash changed
stored ba2d0b7dfc…4ca6f8now …

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

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 52 records. Each step hashes the current value together with the sibling shown.

leaf 7caa28efbb892144ee09b1856e017a7d117c64333b609ffab665f86aa51b609b
01 L 7ca5813f1402a29bc1d77baad08c80050d3630e7ce9dddeb097c698d34b95567
02 L 2408b8d938638ef321831e9cd6ea410fba36e19f8c864a3ec357309da9b98628
03 L ed2c0f77c60a728ee1907d23447a2362712cfdf64ed87f0d213f48d16c47ed66
04 L 95371d36cd17dc23058282606d6914e03d243f3dd657eeb37b7f0b08ee90a649
05 L 71f55577986b4f5aeb8f512885b87fd2aac035a5e4e4cf43d4940a1ce6367892
06 R 843bfbd0c007aa09e7a59de2341951fcefd12d2a4f5465e4c737fcffef88252a
root 378264d070675deda5ab7e45a90819cb51f4f6c709b3a100a882315405411376