OpenTechnical

OT-2026-000075341

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000075341) never changes.

Identity and time

Publication numberOT-2026-000075341 · never reused
Internal UUID01a0ae93-f200-738f-a045-c64efedfb955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075341
StatusPUBLIC

Content hashes

Canonical text8f719b211e2153a590da7e474254cb5ea24fee808e9c58cda1a31663951c1287
Markdown2fe40c371df71bd8c678f4563843785fb26352651e0784ae1171572e04ad37ff
PDF
Publication pagef26758041a18057ef4798d18b2bc3246b368f95a4ff218fb2c283de0470d2d75
Manifest8534c7ffb880bb5e7baf6f7c055bd47f69ac61ba347309ebeba472da232feaa2

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
SignatureumeO8mlnnhdmJCT+6+BirpAapwqbHuId0E13H1P5q9oeyH/gWJVym3pS2wPAPx+WKgjM4oQgTzLirvNv3c6PCg==
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

2026-09-17T10:17:15.702604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075341
observed f26758041a18057ef4798d18b2bc3246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.559065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075341/manifest.json
observed 8534c7ffb880bb5e7baf6f7c055bd47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.541291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075341/publication.md
observed 2fe40c371df71bd8c678f4563843785f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.523087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075341/publication.txt
observed 8f719b211e2153a590da7e474254cb5e...
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.