OpenTechnical

OT-2026-000083811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000083811) never changes.

Identity and time

Publication numberOT-2026-000083811 · never reused
Internal UUID01a0ae98-0418-70be-8598-63cef561a53e · 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-2026-000083811
StatusPUBLIC

Content hashes

Canonical text67b5d6db54fd4fe2bd87c49f8b3180e1f09ec6502ed2f8fe459ff042b18bedd8
Markdown226faa533f5549c8826575f06dfc29caacff5f86891889c017d85f0b789a44df
PDF
Publication page78941ad84a0cf8c3741677ff248943aafe81ee80e43fa57df87c8b0dd4fce870
Manifestdbd381b224630ff87c07e646b49f9a13fe898b8e5d324c5dd3135d3a31f7f361

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
SignaturepzJkcorfBGoVMN4iAO4sGpWVkLgqhE7k7pDtwAEeTT5W6FjgrV4NfD/IvVMub5BGft+06p27nGXlKhqAc+yBAg==
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

2026-09-17T10:00:03.862341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811
observed 78941ad84a0cf8c3741677ff248943aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.832515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/manifest.json
observed dbd381b224630ff87c07e646b49f9a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.803360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/publication.md
observed 226faa533f5549c8826575f06dfc29ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:03.781488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/publication.txt
observed 67b5d6db54fd4fe2bd87c49f8b3180e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.657686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811
observed 78941ad84a0cf8c3741677ff248943aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.638841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/manifest.json
observed dbd381b224630ff87c07e646b49f9a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.621874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/publication.md
observed 226faa533f5549c8826575f06dfc29ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.603286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083811/publication.txt
observed 67b5d6db54fd4fe2bd87c49f8b3180e1...
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.