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 - N. VIZCAYA 2ND DEO Award a ₱312.0K contract to MIGHTY CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

afbcb5d4b97155fef62eaafdad601e2fed4d50c4e96690b7c8d49c78ab224ac1

Status:

Included and unchanged

Block:

#1,897 4,116 blocks after it

Position in block:

Transaction 46 of 62

Award day:

Oct 22, 2013 (13 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. VIZCAYA 2ND DEO

To:

MIGHTY CONSTRUCTION AND SUPPLY

Value:

₱312,000.06

Project:

c. Wangal Primary School

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. VIZCAYA 2ND DEO

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 #1,897 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 - N. VIZCAYA 2ND DEO awarded it to MIGHTY CONSTRUCTION AND SUPPLY on 2013-10-22.
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 afbcb5d4b9…224ac1now …
2. Block Merkle root changed
stored 34de1212b4…2d1910now …
3. Block #1897 hash changed
stored b25e1a6630…53fb5bnow …

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

leaf afbcb5d4b97155fef62eaafdad601e2fed4d50c4e96690b7c8d49c78ab224ac1
01 R b06c2ccccf5207db4390fbd2e0127cc98ebf5b573c1dccbaca2fef63f40d43bc
02 L 450711eddfcb59aaca55dfeff2378e233a559fa0d7cd1f1ba6e5c7af7d617e95
03 L e5aa2c696f19d8178e5130817a3dca4d0643ab80792bf16be5400c0fec727aea
04 L 652c0b1eba79c6e0394e0ac368036c57239c11996f28b69b5be47cdb1a19c009
05 R f27101b58f73e670c71b3b3aab24292195d4ae00729958e42ac91f373c2973dd
06 L 658f399a491d1f85d2ead64da6b696b6fd1b14ee4d5cc3d1bb43488924c1b4cb
root 34de1212b48b834c99bdb401f052280c8826e873a0c45640e7ccf20e462d1910