OpenTechnical

OT-2026-000083099

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000083099) never changes.

Identity and time

Publication numberOT-2026-000083099 · never reused
Internal UUID01a0ae97-c962-7875-a537-028b31367128 · 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-2026-000083099
StatusPUBLIC

Content hashes

Canonical text3d11041c18ae7a5fb1792da44d921d68d9ba11a9e5ee015b8cebe61cc7cb2889
Markdown8b3b6011c0a4059887f05d0c06d143ace0aafaaa7e388bb5bd0310202386be03
PDF
Publication page2c1844df041fe1eaa8632c7aaf8e7c6430ab67f84c2a89c44cb77d453ed11a06
Manifest1dcfe33ecc8bd536567a01e324b0874a7ef7965aec4a2d9190883b4ed9b344e3

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
Signature0tJ2HtC6rT9V4upX4dhMvr4L1RKgyE6ZO7lPgKATprVT5A99hoXBoauvvQTodU9UT6Kyt9Y5lJ1jAsrjux1pAw==
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

2026-09-17T09:00:38.640375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083099
observed 2c1844df041fe1eaa8632c7aaf8e7c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:38.621537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083099/manifest.json
observed 1dcfe33ecc8bd536567a01e324b0874a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:38.601771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083099/publication.md
observed 8b3b6011c0a4059887f05d0c06d143ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:38.577871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083099/publication.txt
observed 3d11041c18ae7a5fb1792da44d921d68...
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.