OpenTechnical

OT-2026-000083725

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083725) never changes.

Identity and time

Publication numberOT-2026-000083725 · never reused
Internal UUID01a0ae98-0417-7d34-9de3-40e498133db0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083725
StatusPUBLIC

Content hashes

Canonical text119fdb0d7ade97a399ef21347cb2f8555b9fe6e4853d727d406b7e0c9c113988
Markdownc8b9d2061eeaa9bd5be601e9b73e1cc99df2712b245e97ce6bda9882a8844d88
PDF
Publication page0b427a80dc0cf5b914c65d0ef2816ecae0003a4725e2d1601661df8fc1be59a4
Manifest247cc1dab198c66a74f0d0e21fdb050be104aff2706e53ada3f5a4a3f54b469e

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
SignaturemLW7YixM+4UxlCKhLJfnqoIiLd4Ij7Xg5wh52lm2bmtLasa6HaH9+yp+ZkNJ3B9HeFAcIacj71A5Xtrf84jbDg==
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

2026-09-17T09:57:21.500391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083725
observed 0b427a80dc0cf5b914c65d0ef2816eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.483969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083725/manifest.json
observed 247cc1dab198c66a74f0d0e21fdb050b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.467446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083725/publication.md
observed c8b9d2061eeaa9bd5be601e9b73e1cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:21.449780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083725/publication.txt
observed 119fdb0d7ade97a399ef21347cb2f855...
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.