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. SAMAR 1ST DEO Award a ₱3.3M contract to C.A. CONSTRUCTION AND SUPPLYNational agencies

Transaction hash:

8c8636180e3eaaa4e43bb65ee48f6b773b007f3fd136171ffc6d57992a9db440

Status:

Included and unchanged

Block:

#967 5,046 blocks after it

Position in block:

Transaction 14 of 33

Award day:

Sep 27, 2010 (16 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST DEO

To:

C.A. CONSTRUCTION AND SUPPLY

Value:

₱3,302,787.00

Project:

Roads & Causeway

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - N. SAMAR 1ST 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 #967 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. SAMAR 1ST DEO awarded it to C.A. CONSTRUCTION AND SUPPLY on 2010-09-27.
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 8c8636180e…9db440now …
2. Block Merkle root changed
stored f50c719edf…da38d5now …
3. Block #967 hash changed
stored 898fec8ced…0e8f60now …

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

leaf 8c8636180e3eaaa4e43bb65ee48f6b773b007f3fd136171ffc6d57992a9db440
01 R 8f0280ac47f820ffa8e3ab6f82ef32fb8b911decc1b1d39d0c71d9150b6c5d4a
02 L c765eaeed416877b3306a9c8c96a04e6739cb411a4e62dd0d07554065cfc788a
03 L 13f520a7a86c9b30d11d7ed5e060e39d1691a74c37b568542b284cedd0c22201
04 L 3a17db6e1b0a31f88857392cc43c492adf8fb68b1035da5c5efa9b1d20fca94a
05 R 111ea86d7a9c4382f83e504675cd83be6869e948d8e8bde53eb4a1055777c100
06 R 86d1c13a78c73cac356474371798859406efae1c3fb49344d0c1089093204de7
root f50c719edf9f6828f15ae1d2514e0d870824d5f088cf101c2b71500ba7da38d5