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 - ZAMBALES 2ND DEO Award a ₱5.0M contract to B-12 CONSTRUCTION AND TRADING CORPORATIONNational agencies

Transaction hash:

7bbe7b4f7bbe3eedcde17a693e942cc2128e78391b5cf69c8e432b6a9ff8bc55

Status:

Included and unchanged

Block:

#2,097 3,916 blocks after it

Position in block:

Transaction 59 of 128

Award day:

Jun 9, 2014 (12 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 2ND DEO

To:

B-12 CONSTRUCTION AND TRADING CORPORATION

Value:

₱5,032,963.35

Project:

14CM0006 - Widening of GSO Road, K0121+832 - K0122

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ZAMBALES 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 #2,097 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 - ZAMBALES 2ND DEO awarded it to B-12 CONSTRUCTION AND TRADING CORPORATION on 2014-06-09.
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 7bbe7b4f7b…f8bc55now …
2. Block Merkle root changed
stored 0715926950…54a6d6now …
3. Block #2097 hash changed
stored 51a0ae1b2e…7c43ddnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 127 records. Each step hashes the current value together with the sibling shown.

leaf 7bbe7b4f7bbe3eedcde17a693e942cc2128e78391b5cf69c8e432b6a9ff8bc55
01 L 7a2c2243eedaef076770bb89c97cbba045449f9595af2ea5d95cc28effdf23a2
02 L 4598015d2fc759d481e7b200e3ff5a4de5d7d16db89e4170215db2ee76cd6ccb
03 R 17dc4d4f9fcad8a124e8b57a743e60856a75b9655cb36c5c05a1eb2bf04b9a3f
04 L c3b253218b97eacbc1f913f4ebca7ce08ec992082424da5aa5db9b29356028a1
05 L 957e53790d91c12c32e6a2b099896fe89485c8837aa3923de39d3b4bbcf20fa5
06 L 6a5230ff4b6191d0a92ad3e4b27e46fe8959ae50d417d86a464bc7a1a6580e2c
07 R f62034b3a8e5a8d1db8900692b889734f4410bef635491f722cae4b78eba64a6
root 07159269503f0f81b44dea2fdfac135042e1bb4518010ba062cbdc710054a6d6