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 - NEG. OCC. 1ST DEO Award a ₱9.4M contract to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLYNational agencies

Transaction hash:

8bc93fc42ff42c2b5cadedeb1e17ff2abb019e96d48c9c9a8af91bb494adc15a

Status:

Included and unchanged

Block:

#1,540 4,473 blocks after it

Position in block:

Transaction 29 of 64

Award day:

Aug 23, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 1ST DEO

To:

SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLY

Value:

₱9,412,239.44

Project:

12GK0015 - Rehabilitation/Improvement of Bacolod North Road, K0129+504 – K0129+944, Calatrava, Negros Occidental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 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 #1,540 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 - NEG. OCC. 1ST DEO awarded it to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLY on 2012-08-23.
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 8bc93fc42f…adc15anow …
2. Block Merkle root changed
stored cc838cb5fe…d71780now …
3. Block #1540 hash changed
stored 28cbcc32da…abad99now …

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

leaf 8bc93fc42ff42c2b5cadedeb1e17ff2abb019e96d48c9c9a8af91bb494adc15a
01 L 85ac1caa95011d2d0d74aafecd1b69cfd677014dfe334cbd4b6a24d4430c3764
02 R 4b5f324002991ebef8d017504850410e4354ece2b51547a056707fc57f803dec
03 L d7c590127bf0d599a0d062e853415e05b8d8aa1d51e2831ecb96b6a50d4bcf1d
04 L 6a292d88cb63036537f3ea7b2f7e66aefd593753d7ab47ed61e11944111733fe
05 L 4b02e556a1fd5ed9c1485ea092a1a41bd8f2dd4204aa7be3567c5a40fc84af7d
06 R 05cfeff931d664573f4237af7a47503b2b9fce896aa1d6a77df4b3d5bb3569fb
root cc838cb5fea3249e1bf12a96f419e6a4703d82379f7a9de202ac44e107d71780