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

BARANGAY SIGAMOT, LIBMANAN, CAMARINES SUR Award a ₱103.5K contract to D.G.Z. CONSTRUCTION AND SUPPLYBarangays

Transaction hash:

7ec4d628310efcf055ee5412301fe43cda272c3edcec47fe87dc2cafe7f78f37

Status:

Included and unchanged

Block:

#1,269 4,744 blocks after it

Position in block:

Transaction 17 of 36

Award day:

Oct 17, 2011 (15 yrs ago)

From:

BARANGAY SIGAMOT, LIBMANAN, CAMARINES SUR

To:

D.G.Z. CONSTRUCTION AND SUPPLY

Value:

₱103,525.66

Project:

Repair of Clustered Projects

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

BARANGAY SIGAMOT, LIBMANAN, CAMARINES SUR

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 #1,269 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)
BARANGAY SIGAMOT, LIBMANAN, CAMARINES SUR awarded it to D.G.Z. CONSTRUCTION AND SUPPLY on 2011-10-17.
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 7ec4d62831…f78f37now …
2. Block Merkle root changed
stored 48d0e55ae2…ae23e7now …
3. Block #1269 hash changed
stored a5a3bc242a…7b92d7now …

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

leaf 7ec4d628310efcf055ee5412301fe43cda272c3edcec47fe87dc2cafe7f78f37
01 L 7c575b01e0b9d6656323c26be9f5b5d05907a03f99cc0890d032b2f32ae2999c
02 R 0f6936072129038142886d1afa525b1d5f7bc3d600c9ecbca710a86bb75f33f1
03 R 77f6da560663a68270407e9bb3d7d38529d403788cae88121b7f6c5d0e2f95f3
04 R af059dd949ae79dc7fbfd3b13b902eccd703b1eca516208889a3c3b8e2b78e1f
05 L 49b308d6085ca6a59c336e6069336d1bfd9fbb5e1bf9878dbc0c7bc34622a21f
06 R dc0d1d295a9516cef7e3dc56542d7e1d284044cc0f8663ba9c04f9c24442c84c
root 48d0e55ae22beabf9773684cb3fc05b2e07c4c0e73c93ce6ba21e28777ae23e7