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 - NCR Award a ₱73.2M contract to AYLAN CONSTRUCTION AND TRADINGNational agencies

Transaction hash:

78a771ee0da20004d2017b87dc6a9224769e3955442b9bc452a8a0035040d46c

Status:

Included and unchanged

Block:

#1,867 4,146 blocks after it

Position in block:

Transaction 24 of 58

Award day:

Sep 19, 2013 (13 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NCR

To:

AYLAN CONSTRUCTION AND TRADING

Value:

₱73,195,894.26

Project:

Buildings

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NCR

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 #1,867 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 - NCR awarded it to AYLAN CONSTRUCTION AND TRADING on 2013-09-19.
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 78a771ee0d…40d46cnow …
2. Block Merkle root changed
stored cb1716a609…4cfb60now …
3. Block #1867 hash changed
stored ab0cc4357f…2d69aenow …

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

leaf 78a771ee0da20004d2017b87dc6a9224769e3955442b9bc452a8a0035040d46c
01 R 7ead118c9b89202030beb460dd591367bb9b20bafc223a728097ba2026d563f7
02 R c1235ac9b20a7e2bb766fa74347ae744e2cb306bc9bf0aba64810e4294ae6e8d
03 R 57da96246d706b60adfde02d311203324e43ea794b59c78a35341f81d775e53d
04 L 783d7ab64d772ae4b04f8567d8fa20b38562a2961f4e791391027bf7769b9b3b
05 L 8d3a99839eb4e827d0d762858acb32796058f2c0e8102337b73c86e84dc6b2f1
06 R 1cf66b1f5c6d6307d983410860087f3ae00621cf77ce6488dd9422c8d111c678
root cb1716a609a9a449e8c3cacd9afcfccf7900b472a53b04869014dbde5a4cfb60