OpenTechnical

OT-2026-000087341

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000087341) never changes.

Identity and time

Publication numberOT-2026-000087341 · never reused
Internal UUID01a0ae9a-cd4f-714c-b3b7-74e92d160e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087341
StatusPUBLIC

Content hashes

Canonical text71950059f89a19e380612392462f0a906b904c9e0f41b74f0be5826a1cab4832
Markdown8469d2f37d799e90fa1581220dc6b0c9f162bcec30ae0817e914f7727b716264
PDF
Publication page01eefda847d70bd6b17dba1c69e1bec9d6ebc64443fbc90f13d356ef85908e47
Manifest3f1b8798cb5829608e7424b166ab5b057442cb1d09c1918c4c99395f63750122

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
Signature5x7Oma6BZRlGLMSOtMh0u6AgU1DpoGGFcz4G+Ja5xkGKImOgqma6eXt6Dnfd10NasHSmkFP7Zqq2IxuZmWVdCg==
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

2026-09-17T09:50:30.760207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341
observed 01eefda847d70bd6b17dba1c69e1bec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.759850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341
observed 01eefda847d70bd6b17dba1c69e1bec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.741930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/manifest.json
observed 3f1b8798cb5829608e7424b166ab5b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.740747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/manifest.json
observed 3f1b8798cb5829608e7424b166ab5b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.722904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/publication.md
observed 8469d2f37d799e90fa1581220dc6b0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.722222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/publication.md
observed 8469d2f37d799e90fa1581220dc6b0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.706839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/publication.txt
observed 71950059f89a19e380612392462f0a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.705581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087341/publication.txt
observed 71950059f89a19e380612392462f0a90...
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.