OpenTechnical

OT-2026-000063433

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down, 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-2026-000063433) never changes.

Identity and time

Publication numberOT-2026-000063433 · never reused
Internal UUID01a0ae8c-f944-757f-aef8-30ca3e089d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063433
StatusPUBLIC

Content hashes

Canonical textb669a7e8e763dfffaf5f67ea9b17741ff9ff61ad11bd63ca339fbb4121de7c39
Markdown5269152fc5d40cb07dcca5e5b3af0ce54d127256c66e2f734315e8c4ad4f918d
PDF
Publication page6a40e3ac38201c55af8f44a216274ab49a9b50f9a3e7aed155b4fd87b8df61a9
Manifest0d0a76479ec3a774d5322b824a25e9c9a0c256ee9ab1fc042dbb53cc8430d7e1

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
SignatureM5HcIf0og6t0jaq1BaQY/h2grzr1t65kSfjLqizPJ1mRZVydBE4KNKK98ll0tQoDaNeJe4ubYwOAr4SjnV+6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:23.394732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063433
observed 6a40e3ac38201c55af8f44a216274ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.377330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063433/manifest.json
observed 0d0a76479ec3a774d5322b824a25e9c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.359040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063433/publication.md
observed 5269152fc5d40cb07dcca5e5b3af0ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:23.339512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063433/publication.txt
observed b669a7e8e763dfffaf5f67ea9b17741f...
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.