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

DEPARMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO Award a ₱19.3M contract to WTG CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

d31a67ff009fa31a3217ba663c1b05242ce26135e4b6064cac107236b70ea0c2

Status:

Included and unchanged

Block:

#566 5,447 blocks after it

Position in block:

Transaction 41 of 45

Award day:

Mar 27, 2009 (17 yrs 7 mo ago)

From:

DEPARMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO

To:

WTG CONSTRUCTION AND DEVELOPMENT CORPORATION

Value:

₱19,269,244.25

Project:

Jct. Cancohoy-Pilar Road

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 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 #566 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)
DEPARMENT OF PUBLIC WORKS AND HIGHWAYS - SDN 2ND DEO awarded it to WTG CONSTRUCTION AND DEVELOPMENT CORPORATION on 2009-03-27.
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 d31a67ff00…0ea0c2now …
2. Block Merkle root changed
stored 2753f76ffb…5a668bnow …
3. Block #566 hash changed
stored 2b274ea69c…47dcc9now …

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

leaf d31a67ff009fa31a3217ba663c1b05242ce26135e4b6064cac107236b70ea0c2
01 L cc26d2f3efe4067ca3e720527d21b1dcdd420760c3bd5e1577017894251e312d
02 R b9bfcd3d6583986c47b1b549025d32360b2b3c4904be5bec16818014b174d9bc
03 R 7a4e2b5c5735c1fa153b03453449e6545c5337b6d0e32678dfca621f02a293ba
04 L 13512049d718c9705db2e6adec587eb9f00fa923b2ee0fa9adbff5eb0ff5ca92
05 R c2b7b49635752019ea0888e6022c28e061095f912a022b70edb4c41762cbddf3
06 L 971ee7eeb8734006cc895a64da80fd09a82a2275aad5dc3b1a7270efb758e116
root 2753f76ffb089acb21c290affc60ec0e23e69fefa968b6fab5ef7865945a668b