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 - ALBAY 3RD DEO Award a ₱3.2M contract to HERBANA BUILDERS AND SUPPLYNational agencies

Transaction hash:

64efd31f0635c33f57b102a474519abe9fca9465a328b7cd11acbb9b5b924eda

Status:

Included and unchanged

Block:

#1,359 4,654 blocks after it

Position in block:

Transaction 31 of 82

Award day:

Jan 24, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD DEO

To:

HERBANA BUILDERS AND SUPPLY

Value:

₱3,207,811.27

Project:

Construction/Rehabilitation/Replacement/Completion and Repair of Elementary and Secondary School Buildings within 3rd District of Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 3RD 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 #1,359 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 - ALBAY 3RD DEO awarded it to HERBANA BUILDERS AND SUPPLY on 2012-01-24.
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 64efd31f06…924edanow …
2. Block Merkle root changed
stored a8743df514…ec5d94now …
3. Block #1359 hash changed
stored a510cc7760…5f3a19now …

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

leaf 64efd31f0635c33f57b102a474519abe9fca9465a328b7cd11acbb9b5b924eda
01 L 63d00da32845895bde5cb3a043678ba133603a9aa4f3be52c19455cb92556198
02 L 8deaade7381c3c12eb6728ceede3b77f06ad62264eb832ce4571721341d64d28
03 L d200f083fe74420e882f1b905cdd003c90452b39b9d477072bae0111f6dcce3d
04 L 7ee861a5f0bf28615451bead2bdd40e7ba3a73cb58779848d757df7e997240d9
05 L 906c2d9d6fc581d377b3d0e450906f8f5c6f9dd78f2d1dc540521b64db002f6b
06 R 1a1a7e3bfe16929bfb9b3b70c5137ea240f696a9ade2ae8aeaa1a48b471524b8
07 R 4ec19e14d87741fabe6e3b49095b1e5e1ee44a05cf0a6ef8297fc924052d4d80
root a8743df514249a51bf364b20e5d621e8a16508d556899810e77b719d46ec5d94