OpenTechnical

OT-2026-000006314

Publication integrity record

Four finger mechanical gripper, three stage ejector, pneumatic drive, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006314) never changes.

Identity and time

Publication numberOT-2026-000006314 · never reused
Internal UUID01a0a956-a60e-74f8-8347-c1f35b7bf17d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:23.249336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006314
StatusPUBLIC

Content hashes

Canonical texteb4d93798333c6e42cf82be98eee1caa2bb1c930417cd520a0a3baa50211afc1
Markdownd6055af72135a5560a9a25761ad1dde10b13fedfedfb8ff1db667ea1e2936ff3
PDF
Publication page17a4387ccbb2c705044edf5d35f7bebf5255e42c560973b5e8a35400ebf48d4d
Manifest830a2c0b0b52d725fb2e2ef0b30f02802f3322ea296eab7781114f98e4212f52

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureL1LJeO2R6UAgfpvnSOyA56y9I/cbSGKNHbHVSbZuwyPy6EA/63zLLhFqZF7WAk79X4JUJ2BhOmWwXamqxGrJAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:32.923435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006314
observed 17a4387ccbb2c705044edf5d35f7bebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.910116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006314/manifest.json
observed 830a2c0b0b52d725fb2e2ef0b30f0280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.897265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006314/publication.md
observed d6055af72135a5560a9a25761ad1dde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:32.883654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006314/publication.txt
observed eb4d93798333c6e42cf82be98eee1caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.