OpenTechnical

OT-2026-000079941

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000079941) never changes.

Identity and time

Publication numberOT-2026-000079941 · never reused
Internal UUID01a0ae96-4377-72cc-9c99-c8a2c172d7f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079941
StatusPUBLIC

Content hashes

Canonical text971820f1e0ebf5bc7d70a93bbd37dd0b3045d010cd552c5e83b1d15494a0eb56
Markdown0202a0d2dd024726e49202a83c8b31746b7334c1de300d5b94d9e3c163c396a1
PDF
Publication page366de2aa4723ab4f18de70170f686e0adb003f87164d83d71ec8f608295b486f
Manifest38ca5750acd68ddb222df370b8da638d251e6bbf3f7d2708d83fcde7ef17b555

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
SignatureWYk14kZr6SOPqJ2lLOtPQ9oWnAVeRnaqwBrx06dXpY7H+j+aIrwZ5yllAVqRFlU6vB6TTizQZ0jzZdDDEtAcDQ==
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

2026-09-17T10:03:50.800237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079941
observed 366de2aa4723ab4f18de70170f686e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.782033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079941/manifest.json
observed 38ca5750acd68ddb222df370b8da638d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.765508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079941/publication.md
observed 0202a0d2dd024726e49202a83c8b3174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:50.748674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079941/publication.txt
observed 971820f1e0ebf5bc7d70a93bbd37dd0b...
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.