OpenTechnical

OT-2026-000093454

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093454) never changes.

Identity and time

Publication numberOT-2026-000093454 · never reused
Internal UUID01a0ae9e-508a-7da8-a2d9-6448d239abb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093454
StatusPUBLIC

Content hashes

Canonical text458641bd7b51c8b47d94e148660748b2c66fea447efcbe65d3da48963f759d28
Markdown9d03e1fbe7052d85bcb0ae811b8052f8e30e9222dd201cb8ce14b1afb87fb2d8
PDF
Publication pagebc19c92f5d4ac55700a87c2c146bac690f916e3f5c59209609a303feec352f57
Manifest74660f20cec3fb64d6ba64f1fea5b21f697939b16c3101508eb43bc5be2d2975

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
SignatureFGUSWGQsdu0xGRb3e0PiHmyYrTroQ+3eFKzXSVnkWOc2S49GJOMU9O7mlUVJYHYxsOe8jiMGRT2V2Ef8yqkVAA==
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

2026-09-17T09:40:21.433746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454
observed bc19c92f5d4ac55700a87c2c146bac69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.417262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/manifest.json
observed 74660f20cec3fb64d6ba64f1fea5b21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.398791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/publication.md
observed 9d03e1fbe7052d85bcb0ae811b8052f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.382829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/publication.txt
observed 458641bd7b51c8b47d94e148660748b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:27.098034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454
observed bc19c92f5d4ac55700a87c2c146bac69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:27.079176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/manifest.json
observed 74660f20cec3fb64d6ba64f1fea5b21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:27.062904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/publication.md
observed 9d03e1fbe7052d85bcb0ae811b8052f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:27.045938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093454/publication.txt
observed 458641bd7b51c8b47d94e148660748b2...
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.