OpenTechnical

OT-2026-000083871

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000083871) never changes.

Identity and time

Publication numberOT-2026-000083871 · never reused
Internal UUID01a0ae98-0418-7a24-837c-44fee1add3b0 · 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-2026-000083871
StatusPUBLIC

Content hashes

Canonical text0b97f46deeb586ddc34e992936efcd5c55ea1ce6ddcc076361883335e21c6631
Markdown57ecce1a7005514d4207086eb0d6ca760a63124fddf036b60f8857b74845acd5
PDF
Publication page9b94a66570f5a83bd565d7090bfbf491775cf5e86ad57a9979ebba40cd3603d2
Manifestda736095590a42afd7d9fe91bdd86910f8190639ec445bb8ce7d8afea09a57ef

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
Signaturey98L89QQ9EP6v+KFxsx0sRbBW8JThfVl1gJQ1nqaaeG4zFF7o0UMZHwS/sB7crkdDAey7Xi2DvVTdx5UQGlkDw==
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

2026-09-17T10:00:11.075456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871
observed 9b94a66570f5a83bd565d7090bfbf491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:11.053688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/manifest.json
observed da736095590a42afd7d9fe91bdd86910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:11.028827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/publication.md
observed 57ecce1a7005514d4207086eb0d6ca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:11.000997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/publication.txt
observed 0b97f46deeb586ddc34e992936efcd5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.039846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871
observed 9b94a66570f5a83bd565d7090bfbf491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.020951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/manifest.json
observed da736095590a42afd7d9fe91bdd86910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.002593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/publication.md
observed 57ecce1a7005514d4207086eb0d6ca76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.986341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083871/publication.txt
observed 0b97f46deeb586ddc34e992936efcd5c...
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.