OpenTechnical

OT-2026-000083852

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083852) never changes.

Identity and time

Publication numberOT-2026-000083852 · never reused
Internal UUID01a0ae98-0418-7b16-9d5f-3971f2d64cd4 · 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-2026-000083852
StatusPUBLIC

Content hashes

Canonical text3a42a9efc80506ef21a347750aaf12eea26d32ea7a4968989aa9d7a6e84dd9da
Markdownc7d4b798eac49bd2675a5bb8e57d5ed541136362f6174d81e4cc17613448c425
PDF
Publication page46b2c12941c1ef08aec55fd07ae442c35948a673deb97400b81f2591a15c6280
Manifest287f6cb63df0c66caf3bf86476189e2f20ee8327c8bccc179a1bad3eb6436408

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
Signaturezxa74gnoxQmw4mFW/HBo3MyaG6RggltUU2ZQwHG4/HeqaVGmXb3OXgHXSwbWBQa3dv/ptm6aCvts8aCLxHlSCQ==
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

2026-09-17T10:00:08.655672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852
observed 46b2c12941c1ef08aec55fd07ae442c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.624538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/manifest.json
observed 287f6cb63df0c66caf3bf86476189e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.600237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/publication.md
observed c7d4b798eac49bd2675a5bb8e57d5ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.573736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/publication.txt
observed 3a42a9efc80506ef21a347750aaf12ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.701345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852
observed 46b2c12941c1ef08aec55fd07ae442c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.685640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/manifest.json
observed 287f6cb63df0c66caf3bf86476189e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.669757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/publication.md
observed c7d4b798eac49bd2675a5bb8e57d5ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.651606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083852/publication.txt
observed 3a42a9efc80506ef21a347750aaf12ee...
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.