OpenTechnical

OT-2026-000083287

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000083287) never changes.

Identity and time

Publication numberOT-2026-000083287 · never reused
Internal UUID01a0ae97-c963-7dc8-8cf7-8f268664993c · 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-2026-000083287
StatusPUBLIC

Content hashes

Canonical text9870ffffbc01870cc505fbda833d53cb5ff92a1e4de2aa4f851ba5adc5542522
Markdown0b817b8199b713df66ce144edb07f46d71f51eb7b4bd68cb0320b40eb32cb33d
PDF
Publication pagedb1b76aaf35071f31028e729d0f711e03af7a69baf1fc0d1cdba0e80ef66e9ab
Manifest4b241f5a930697e38aca6b731ab3ae9e20ee45a462ffdfce7ad8aac5e2cb88c3

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
SignatureK6bjhEPGEp9zGwnCwdUMfEmD6+dIpXjgGyqwKiNVJGWHkm9opvgZfaJUmsqCFivSL5bSXZickbAoTQFuSPSgAA==
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

2026-09-17T09:01:25.885396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083287
observed db1b76aaf35071f31028e729d0f711e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:25.863547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083287/manifest.json
observed 4b241f5a930697e38aca6b731ab3ae9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:25.843819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083287/publication.md
observed 0b817b8199b713df66ce144edb07f46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:25.824002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083287/publication.txt
observed 9870ffffbc01870cc505fbda833d53cb...
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.