OpenTechnical

OT-2026-000071873

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000071873) never changes.

Identity and time

Publication numberOT-2026-000071873 · never reused
Internal UUID01a0ae92-1e92-714c-b25b-57bce1ad78c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071873
StatusPUBLIC

Content hashes

Canonical textba2f26779b4e840e0776f8e44ef840bfd1f35120d4aa22d6d25eb45d03021428
Markdown358cee742dee352a333f1f0321b19a18aaddd61e9dd39e319bd6f46578e63a1e
PDF
Publication pagebb280abe8d5dad6c781553d5a47893f70e1631a4f0a7f361a873adbe445020a7
Manifest3d482a9c8ab9c01d6efe056aab59daabd8db85d4743becf7eb96cb2479b95226

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
Signature8i5Yg7rSxWufnG9VPeBa9zVtpVqB6YRKE68eIROXLxlNhHrdIa7ogD9TNER3zCeDuSxTzS+zOFTnlhzwaKkoCg==
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

2026-09-17T10:24:34.520692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071873
observed bb280abe8d5dad6c781553d5a47893f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.502113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071873/manifest.json
observed 3d482a9c8ab9c01d6efe056aab59daab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.483626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071873/publication.md
observed 358cee742dee352a333f1f0321b19a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:34.465673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071873/publication.txt
observed ba2f26779b4e840e0776f8e44ef840bf...
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.