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 ₱489.8K contract to JMK BUILDERS CONSTRUCTIONNational agencies

Transaction hash:

91e9a36adf2da113591c896fe85c7d645994ed0e976c9330aa190626c5b9efb2

Status:

Included and unchanged

Block:

#2,137 3,876 blocks after it

Position in block:

Transaction 35 of 60

Award day:

Jul 25, 2014 (12 yrs 3 mo ago)

From:

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

To:

JMK BUILDERS CONSTRUCTION

Value:

₱489,800.00

Project:

Const of Rain Water Collectors System, QC

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 #2,137 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 JMK BUILDERS CONSTRUCTION on 2014-07-25.
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 91e9a36adf…b9efb2now …
2. Block Merkle root changed
stored 3d6d4df468…4a31c7now …
3. Block #2137 hash changed
stored d5d6c8e383…6ecc48now …

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

leaf 91e9a36adf2da113591c896fe85c7d645994ed0e976c9330aa190626c5b9efb2
01 L 8d1abc8b9cb56da2cc48dfbc0e8466da3eb762244adc0051e785766371beda25
02 L 7ca1e149ff7c9cca9e36d7778733f859573c18986c3a451dc01c74e849d670c8
03 R 3b9b2cc36e92a35ba4d92553b71b47ed939b514f72460fbc82a2b8255c4b1840
04 R 4e599e26f53142a48f371d7037c59ebf6d421cbe8fa05a880b4b00db72e18af2
05 R 8dc8bd29d9ff4beec2cac920d0064f2d325447d752d54cabe9afd79bad2a5c20
06 L ae15b283527a76f1a2b4e5140947908248c24fc040aba14c4c0bd818078a5a35
root 3d6d4df4689cc45891dcbcf4fa5faad1ec480befd931661e9914e555ec4a31c7