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 - PANGASINAN 1ST ED Award a ₱266.4K contract to IZL CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

60d2be8d8538929ff7adbc2899a1558786b72292b4b98adfb40f3c83224cc9de

Status:

Included and unchanged

Block:

#1,831 4,182 blocks after it

Position in block:

Transaction 17 of 53

Award day:

Aug 13, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 1ST ED

To:

IZL CONSTRUCTION AND SUPPLY

Value:

₱266,400.00

Project:

13AG0087SVP

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 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 #1,831 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 - PANGASINAN 1ST ED awarded it to IZL CONSTRUCTION AND SUPPLY on 2013-08-13.
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 60d2be8d85…4cc9denow …
2. Block Merkle root changed
stored f335c9290f…1ed56dnow …
3. Block #1831 hash changed
stored 3f2b86f23d…4d049fnow …

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 60d2be8d8538929ff7adbc2899a1558786b72292b4b98adfb40f3c83224cc9de
01 L 52defea8d14c537f2d90e56e1178a0cb6afa5a38ec43b7ddcd92568a39c7c426
02 R d525d56f8bca134849801f4975d548eb719b5ca9bcf03faedcd353f66325d20c
03 R 697d5032b295a67af1eb5d1d60c334084c76d07640030165791e94700ef2fe3e
04 R 7db0bf7830e9a2d94061db41a1d5669a79fcc5ee09c3c3900fdbbc58b904f7ba
05 L f4b4176a285cd624a449b01449f657e67f27156f1a67bcf8d1377572a89560ae
06 R 151f1c88ff7e0f76411c98fa7aae23f5334385822080965115eba0952c972ade
root f335c9290fe4e38ab41a663e4fd4e3cd2ef8a20585067fc8e96c4945ab1ed56d