OpenTechnical

OT-2026-000081192

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000081192) never changes.

Identity and time

Publication numberOT-2026-000081192 · never reused
Internal UUID01a0ae96-f373-700d-a25e-bdb73362f218 · 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-2026-000081192
StatusPUBLIC

Content hashes

Canonical textd6c27e822d1c49f83ba6808ec6bfa04f4cbef30b21637ae029e539353757934a
Markdown6c31b0da18a1dda706d4d134aa975bb61764a46ab97b82fa5866c37cfe44070b
PDF
Publication pagebbc1d06b6bb23d11f0272fe2bd71ac169c05d4d395c85aa359273718645ffc9b
Manifest155dc2979a1e505468aa315023ac0566fc03538911481b73b08ee42200e0f890

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
Signature0zCyLvGYX7nibHfIsrZsgRxjYBSfs6UlVxZieNk9DFG0hWNqEBiiUzKyZyfQXc+NJ5kXKQmPpI8vtbk5J5ubAQ==
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

2026-09-17T10:01:15.760860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081192
observed bbc1d06b6bb23d11f0272fe2bd71ac16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.743572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081192/manifest.json
observed 155dc2979a1e505468aa315023ac0566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.724831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081192/publication.md
observed 6c31b0da18a1dda706d4d134aa975bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.707698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081192/publication.txt
observed d6c27e822d1c49f83ba6808ec6bfa04f...
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.