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 ENVIRONMENT AND NATURAL RESOURCES - REGION III Award a ₱3.2M contract to P.V.B. CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

404791c0bee7d6b187383ecb2437448e6cd31a6c44b74fd5011df5ed01761cf4

Status:

Included and unchanged

Block:

#1,339 4,674 blocks after it

Position in block:

Transaction 18 of 70

Award day:

Jan 2, 2012 (14 yrs 10 mo ago)

From:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION III

To:

P.V.B. CONSTRUCTION AND TRADING

Value:

₱3,161,455.68

Project:

INVITATION TO BID FOR THE CONSTRUCTION OF TWO (2) UNITS NURSERY

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION III

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 #1,339 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 ENVIRONMENT AND NATURAL RESOURCES - REGION III awarded it to P.V.B. CONSTRUCTION AND TRADING on 2012-01-02.
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 404791c0be…761cf4now …
2. Block Merkle root changed
stored 73a4cb3231…c5bf79now …
3. Block #1339 hash changed
stored 3887242d33…22bb12now …

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

leaf 404791c0bee7d6b187383ecb2437448e6cd31a6c44b74fd5011df5ed01761cf4
01 R 451874d1d9212790cf90c4c759e0836b99e49bad12184863976c670f40fa64db
02 L ab3f4019d63a91f3c688d93eb0bfe20b24922e955884f0ea1cdb71ad00366937
03 R 204bc749ee8fcaf01d6fad21dd3ee973a47706c00b16815221ed1dbb6d271e0c
04 R b7c5cdb7085bbc2242ead17551d43fd9b92bbfd0aa1d16b0a4ee18cd29f87945
05 L 6a99dadea312c20960e45b820775651214ed30127a9a5817bd45acdaae58b7e4
06 R 4e79ccbecfe2a69be5560a49542291bf1c1c61ce6195af45c05941ca93041bfe
07 R 195d763b9e621489235f657702f02b4ac57dfd0cedee3e6ff0e6e20ed3f6138b
root 73a4cb3231ae997326104fb66bc16bf169d65ae3f07c414132c57015d0c5bf79