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, NORTHERN SAMAR 2ND Award a ₱98.5K contract to JUPA CONSTRUCTIONNational agencies

Transaction hash:

409c7f28af233d1f7a1b83d9227066bb5674d46b29d93e647077c612ec995f75

Status:

Included and unchanged

Block:

#1,433 4,580 blocks after it

Position in block:

Transaction 13 of 56

Award day:

Apr 19, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

To:

JUPA CONSTRUCTION

Value:

₱98,502.74

Project:

Construction of Multi-purpose Pavement at Brgy. Bagacay, Palapag, Northern Samar

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS, NORTHERN SAMAR 2ND

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 #1,433 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, NORTHERN SAMAR 2ND awarded it to JUPA CONSTRUCTION on 2012-04-19.
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 409c7f28af…995f75now …
2. Block Merkle root changed
stored 92804172e1…418967now …
3. Block #1433 hash changed
stored e6b74823da…90879cnow …

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

leaf 409c7f28af233d1f7a1b83d9227066bb5674d46b29d93e647077c612ec995f75
01 L 3b8dc04a9915248a8b2ac686f092542707df24fb20f5a4e7534994b4663b07f6
02 R de5bd5c6313537aaadb95d83502c362e98722e3ea273212c5999d77fbaeea171
03 L 3b2a872efb5a3dc05ec1f067a3ede44d1705d9624efd3a07657d7a7602b1e826
04 L 277bee8be49c8173c9cd2ba8bb3399fcb0046464fd46de5ff3216a695c14de7f
05 R 3996264bc436ee3f90ccd44233b79aa75f2db42db3b44c8a0ff583c87a09842c
06 R 712dee005863277f9ebc65b041bff16341260f28d859d78a0a29bc7f6eae1e7f
root 92804172e1818590fab9d2a40445a98d210b72cfab23d65ff2702a2c38418967