OpenTechnical

OT-2026-000081261

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained blow-off before 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-2026-000081261) never changes.

Identity and time

Publication numberOT-2026-000081261 · never reused
Internal UUID01a0ae96-f374-7a3e-9a4a-a3b35fa80c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081261
StatusPUBLIC

Content hashes

Canonical text91f15b519ff642bf2a0abfd885a163e42cd520a22a026cda506524c9ba7c8366
Markdown393c2af6cdf033fd92fc9fe6db575e9a48e9d8cd35442940daf48e0b439f4fef
PDF
Publication page086441bef8fb40fa788de1fa15c36653b14cd075f25fad896be38a3dc00e8ab7
Manifest4931b99d35e22839dc5c507588e270401702d1e8e9f1c1dcf5ad36b819e6d85d

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
SignatureeOi06lOV7t+1GCzjbsxzJd+EgPTzepH82z3q+pbw9i+IZqyL9uILym51YkG1YCptUwpEa+tdD0hN8qENJRGOAQ==
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

2026-09-17T10:01:21.476025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081261
observed 086441bef8fb40fa788de1fa15c36653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.457191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081261/manifest.json
observed 4931b99d35e22839dc5c507588e27040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.438274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081261/publication.md
observed 393c2af6cdf033fd92fc9fe6db575e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:21.416266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081261/publication.txt
observed 91f15b519ff642bf2a0abfd885a163e4...
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.