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 - LAGUNA SUB-DEO Award a ₱990.0K contract to ROSVAR ENTERPRISES & GENERAL CONTRACTORNational agencies

Transaction hash:

fd771aa8470907ecacf4bd064e280938ca17483506ee1f99d59536a27a1ba1b4

Status:

Included and unchanged

Block:

#1,332 4,681 blocks after it

Position in block:

Transaction 93 of 95

Award day:

Dec 26, 2011 (14 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-DEO

To:

ROSVAR ENTERPRISES & GENERAL CONTRACTOR

Value:

₱989,968.90

Project:

Invitation to Bid for Construction of Fence at Perez ES, Calauan, Laguna and Construction Fence at Daniw E/S, Brgy. Daniw, Victoria, Laguna (11DP0107)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LAGUNA SUB-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 #1,332 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 - LAGUNA SUB-DEO awarded it to ROSVAR ENTERPRISES & GENERAL CONTRACTOR on 2011-12-26.
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 fd771aa847…1ba1b4now …
2. Block Merkle root changed
stored 59fa4385f3…88bb5anow …
3. Block #1332 hash changed
stored 051442906b…e52c09now …

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

leaf fd771aa8470907ecacf4bd064e280938ca17483506ee1f99d59536a27a1ba1b4
01 L f92b16520233ca58fa1294851d450d31f3a77e49cb69690e4cd344770e971b93
02 R 186b75cf0563486bca235db45af0244fc073da1ed06b30dd3ad440e82a9f5662
03 L 3a0b34ff983449e00c5c9d2d7945fb259ddee014d20f009f6329ff13cdb26bbf
04 L e62ae992d435fb75d14c0d38557b48619ab2f3e001ba543dfef67af54c84ff00
05 L 56f64311a1b1dc1728503793d9080f35b45de5cb7d7a76ed791751e779b000ad
06 R 63e7c67d9c07118bd6ec4d18a139ef0b0877d9da290abb19ede2aec7dad10c42
07 L 69ba3a7c1b4e11a775a3772d3f893630d3ceeae0aead946f08ef784921e4c3a1
root 59fa4385f311738f7f34c89ded69219fc0393cecdd5f5585819c058ad288bb5a