OpenTechnical

OT-2026-000071968

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000071968) never changes.

Identity and time

Publication numberOT-2026-000071968 · never reused
Internal UUID01a0ae92-47c0-73b6-857a-7926129bf0bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071968
StatusPUBLIC

Content hashes

Canonical text2fbe1ec7a67618f84d66c9fe3eb29e921770d9e5d77448717a4786b245004788
Markdownf5f45f3aaeb0fe17ce40ec34e87bc713f1a81fb6545c8707ce29910dc93ad3bc
PDF
Publication pagebd9d5fbdb50f7a5496e141a7c73e5fed1d2b6ba424465023482993142982710b
Manifest9b66a7bea3718a2a8271fdfe857451916d452a51ad4011dc1a93f16d1085cc14

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
Signaturee9vtJ4SqW4kO5OkxkAfxYGwAjRbVoYAUsC3VJ/dnkd/wsVNOCOta9gQG3PFZwUUQgdKeL22oY11oAF04Ap0CDA==
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

2026-09-17T10:23:00.643125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071968
observed bd9d5fbdb50f7a5496e141a7c73e5fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.624600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071968/manifest.json
observed 9b66a7bea3718a2a8271fdfe85745191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.606554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071968/publication.md
observed f5f45f3aaeb0fe17ce40ec34e87bc713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:00.588394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071968/publication.txt
observed 2fbe1ec7a67618f84d66c9fe3eb29e92...
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.