OpenTechnical

OT-2026-000091349

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000091349) never changes.

Identity and time

Publication numberOT-2026-000091349 · never reused
Internal UUID01a0ae9c-f16c-7def-98a1-b25d89821455 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091349
StatusPUBLIC

Content hashes

Canonical textbe1f981a22611ee5f1a01bdda9a2d45409877c8df4b7351ab8c9452c6bff4c76
Markdowna0f84f9527df0cb2cd2cacb458f9dc40049f7a1b1ed30cc0191afc8b1b82069a
PDF
Publication page7c571d646fe1f9032954d4d96bdfbdb3704fbbb08686ef7ba8735b31456c9bf7
Manifest43d3f091451fbac585aaa7f8e01c43d3d6cd172d1c36b46ec876aa196573e81d

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
Signatureai2m7kwNUjSQ04cfiFlfNYB+s+KgATjQdfQGZVVBW9ToMazSOENkKIn/1Twiv2vEjMv7mVbfgoTfq3hhz7pPCw==
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

2026-09-17T09:43:33.618978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091349
observed 7c571d646fe1f9032954d4d96bdfbdb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.602761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091349/manifest.json
observed 43d3f091451fbac585aaa7f8e01c43d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.586905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091349/publication.md
observed a0f84f9527df0cb2cd2cacb458f9dc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:33.570060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091349/publication.txt
observed be1f981a22611ee5f1a01bdda9a2d454...
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.