OpenTechnical

OT-2026-000084447

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084447) never changes.

Identity and time

Publication numberOT-2026-000084447 · never reused
Internal UUID01a0ae98-5b63-7aa3-8421-1a86725c18be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084447
StatusPUBLIC

Content hashes

Canonical text5e7062cc5405406ad4cf6189c4de0065961babc985516b00ce73c0cb9631d57c
Markdown60d79e1a822b63941abea1c8c215f4d870f33bbd8213fbfcde569804dce6a971
PDF
Publication page38851ac88f490fe4c60bc462256ff3c3b49c92160dfad352d4ef7c616d991da2
Manifest584c16479f42326b2a6c3e476921c772640ebdea273aa2b758c4f569a34490e9

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
SignatureU8ohgdFakA88Yw+S3y2Al5mg5gEsU6gT4Y89my9CjFbU+JEaduPhyCvyxwz5li4pQbCv+eqWTwmO3ubg5Gp6Bg==
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

2026-09-17T09:56:24.326542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084447
observed 38851ac88f490fe4c60bc462256ff3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.307411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084447/manifest.json
observed 584c16479f42326b2a6c3e476921c772...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.291184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084447/publication.md
observed 60d79e1a822b63941abea1c8c215f4d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:24.272548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084447/publication.txt
observed 5e7062cc5405406ad4cf6189c4de0065...
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.