OpenTechnical

OT-2026-000083337

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000083337) never changes.

Identity and time

Publication numberOT-2026-000083337 · never reused
Internal UUID01a0ae97-c964-7073-89cf-6665652bfd45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083337
StatusPUBLIC

Content hashes

Canonical texte3fcd513d66a18569c56a1458a835a2dbfd370523b39f178d6e9cc7facc24eed
Markdown9c8d41d7f6638823d09b837833a78525798f9c9c600e30bfa7d530502d62b25a
PDF
Publication page668b45ebfd7d6af25b7d72511d1ff410a57f9f51062b70df08a1c060f5f9a83e
Manifest56cb718605e0c6ad85901b3a81742070fb0c118e25e1d3cd97f41c8fab978b81

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
SignaturexlywEz3zuhL/9tgb2cHZWul6MFbNyg8VHhhMLcGRTXF5L1YiIX1r1loXQ6dzs0f623msGPE3V/DBdcbx/bHQBg==
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

2026-09-17T10:00:36.442415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337
observed 668b45ebfd7d6af25b7d72511d1ff410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.422030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/manifest.json
observed 56cb718605e0c6ad85901b3a81742070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.404887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/publication.md
observed 9c8d41d7f6638823d09b837833a78525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:36.388597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/publication.txt
observed e3fcd513d66a18569c56a1458a835a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.179653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337
observed 668b45ebfd7d6af25b7d72511d1ff410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.163846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/manifest.json
observed 56cb718605e0c6ad85901b3a81742070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.148577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/publication.md
observed 9c8d41d7f6638823d09b837833a78525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:44.130319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083337/publication.txt
observed e3fcd513d66a18569c56a1458a835a2d...
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.