OpenTechnical

OT-2026-000082756

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000082756) never changes.

Identity and time

Publication numberOT-2026-000082756 · never reused
Internal UUID01a0ae97-8cc9-7d86-ac83-f880350c9c38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082756
StatusPUBLIC

Content hashes

Canonical textff6f19fe817511e513b3d9c2ecf7c07eb7765309515ba4425de04efa5da1f4fc
Markdownd811c017f2a9838a0c2a1a70ab4659282cd51cd9fe174c067ed3263302aeef98
PDF
Publication page58710fdb86e1503af4b3abc412c51c711e825620bfa7361ad4a4bde2cc48c304
Manifestebe428d375ade6a46fab0e57364c71de9feeb4bb834f1cb7812c822cb719b1cf

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
Signature763uSCVlQ0h5WBmlIEYUjB+p4NHtJXSHa9+ykdTUqji/Lt7IKE7j4LRTRIDfV8EBuJDw4/nu+7CtqOP6gno3Cg==
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

2026-09-17T09:58:20.392875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082756
observed 58710fdb86e1503af4b3abc412c51c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.376481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082756/manifest.json
observed ebe428d375ade6a46fab0e57364c71de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.359738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082756/publication.md
observed d811c017f2a9838a0c2a1a70ab465928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:20.344270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082756/publication.txt
observed ff6f19fe817511e513b3d9c2ecf7c07e...
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.