OpenTechnical

OT-2026-000083335

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000083335) never changes.

Identity and time

Publication numberOT-2026-000083335 · never reused
Internal UUID01a0ae97-c964-7496-b8b6-5a867211a4aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083335
StatusPUBLIC

Content hashes

Canonical text54c9aa413ffa156e1dfbecbf67b198eb4d12bbed561f04968269b968526a4a64
Markdowndc68e571cae72309f90d6a2f30dc4ffec68afbc600c06bbd544c5ca898a382fe
PDF
Publication pagee4df8a8de69fedd60724007b29111ba35bc79c4908160f901628c1a101f9e400
Manifest08ec4d505f607c86638d128504ec9a66312756434d236c8146836930fe4cdae8

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
Signaturer3nkDsoj8dyvNOtOndcb9YxgB18XthMM++XqsaeVqh8IA18jM6swgS14ellzZmreykgIu01OFIuX4axq/8FkDQ==
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

2026-09-17T10:00:36.293009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335
observed e4df8a8de69fedd60724007b29111ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.271033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/manifest.json
observed 08ec4d505f607c86638d128504ec9a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.252380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/publication.md
observed dc68e571cae72309f90d6a2f30dc4ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.234473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/publication.txt
observed 54c9aa413ffa156e1dfbecbf67b198eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.047053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335
observed e4df8a8de69fedd60724007b29111ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.031019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/manifest.json
observed 08ec4d505f607c86638d128504ec9a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.014400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/publication.md
observed dc68e571cae72309f90d6a2f30dc4ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.998726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083335/publication.txt
observed 54c9aa413ffa156e1dfbecbf67b198eb...
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.