OpenTechnical

OT-2026-000083931

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000083931) never changes.

Identity and time

Publication numberOT-2026-000083931 · never reused
Internal UUID01a0ae98-0418-7e21-83b6-357af44c34ef · 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-2026-000083931
StatusPUBLIC

Content hashes

Canonical text50a4cf30a810e254a39650fd8e48e7814203e62aee98ed653b77d0f2e46b8bfc
Markdown98ba6316ba8a0536b6897b3942386953500dc540ab90161fe81bcc00fffcbbdb
PDF
Publication page9de4ad64e63063be953f120dc5ffb780551633e00c68a19c7e585e0bda5c50dc
Manifest372a887c34f318b5d26d5e76de9c6a54f9449fdb6c91df3833b84cad750c3118

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
Signature/DttP7t0o/ao0cJKnKK1clc5ZxsVlu+v8lho3lTJSPwsmGG48GzB5Zd/8ZVxj7kf1+ND5/4WcMM3eAIoVcEQDg==
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

2026-09-17T10:00:25.623342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931
observed 9de4ad64e63063be953f120dc5ffb780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.607052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/manifest.json
observed 372a887c34f318b5d26d5e76de9c6a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.589099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/publication.md
observed 98ba6316ba8a0536b6897b3942386953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.570061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/publication.txt
observed 50a4cf30a810e254a39650fd8e48e781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.537178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931
observed 9de4ad64e63063be953f120dc5ffb780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.519973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/manifest.json
observed 372a887c34f318b5d26d5e76de9c6a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.503861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/publication.md
observed 98ba6316ba8a0536b6897b3942386953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.486109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083931/publication.txt
observed 50a4cf30a810e254a39650fd8e48e781...
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.