OpenTechnical

OT-2026-000071460

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000071460) never changes.

Identity and time

Publication numberOT-2026-000071460 · never reused
Internal UUID01a0ae91-e0ed-71a0-8808-87d9e73db683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071460
StatusPUBLIC

Content hashes

Canonical text8d8e58f15040a0567e5be5ca171681833e349dc754dfe36e59d72e8a34801691
Markdownce3ee18939ca7bfc4db961ca50ed8bcba2cde9861e21ef76cd3dd2277e1c5ab2
PDF
Publication page4fdba2942550c94fdd673ab38f816cb94dec1542b72a76b2170307ab23519f53
Manifest6927c54a8665a8bee7f446906cf5257a63d8f7c7c0af6e166644b9fc6a4c20bf

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
SignatureZI60xqjecZRQpuciQZ6IM+a9qeoGjyA1lYLKvUHsJjGEx+LtFlevbBRigRUPW4EO9VvhNRZ3Yw0yusDZm2l5Cg==
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

2026-09-17T10:24:47.351842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071460
observed 4fdba2942550c94fdd673ab38f816cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.333689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071460/manifest.json
observed 6927c54a8665a8bee7f446906cf5257a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.316392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071460/publication.md
observed ce3ee18939ca7bfc4db961ca50ed8bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.299487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071460/publication.txt
observed 8d8e58f15040a0567e5be5ca17168183...
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.