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 - LEYTE 1ST ED Award a ₱2.0M contract to TAM CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

e48a049f41ecf257fc3c2f41cfadd3c7f5fc3bd2f00cf76f14aae62e4f9aca95

Status:

Included and unchanged

Block:

#2,423 3,590 blocks after it

Position in block:

Transaction 43 of 46

Award day:

Jun 3, 2015 (11 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 1ST ED

To:

TAM CONSTRUCTION & SUPPLIES

Value:

₱1,955,000.00

Project:

15IC0012

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LEYTE 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 #2,423 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 - LEYTE 1ST ED awarded it to TAM CONSTRUCTION & SUPPLIES on 2015-06-03.
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 e48a049f41…9aca95now …
2. Block Merkle root changed
stored 14c6532031…c7ef4bnow …
3. Block #2423 hash changed
stored 00953a8187…b961aenow …

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

leaf e48a049f41ecf257fc3c2f41cfadd3c7f5fc3bd2f00cf76f14aae62e4f9aca95
01 L da777e908ab3cdfcf0e5b15f225b5cbdf16fbba5df6125c71fb780eafb7c8b84
02 L 49ab2f9f09f4fda7bfa4198e080cf1d11d6f9bc7433c77bed4241bcb953c8e70
03 R fa65bc446f6cf0313fcf18f768634d8beac61ef634f8151e40ae5d937e048db5
04 L 4f0152503b4014089acbfdb25b03961850379371d890a1f16e1721255c9c5f9b
05 R d6141f030123f994a90f82cca723109157bd2bda7f359ee0a14c02d0f1138d18
06 L 84e45b6ced13bb797e426b0e5e85c11174c7c688dc77ba1eed10e2edcd68dbee
root 14c6532031389a0c157e9a2dd659da9d6d80f52e334587ce2e9c8ebe91c7ef4b