OpenTechnical

OT-2026-000086940

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000086940) never changes.

Identity and time

Publication numberOT-2026-000086940 · never reused
Internal UUID01a0ae9a-80a5-7024-b1b3-e0af55342617 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086940
StatusPUBLIC

Content hashes

Canonical text955ed7997a9fc98cf9c0c748715d456365b68d429e39559312b903c12ed54acc
Markdown6051111ac48d3190436b1255eba28832bd967b64c827e6524677e61ee876c5ac
PDF
Publication paged07488f84dcb195946f8dea669f8b73f614cdc68357619422e82f9474ca48243
Manifest22d6b679da3117913530c4598300429ee5f3857c8251fd52548fba9c49445cf2

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
SignaturegEdvlOeczOcWD7cP3wvVfaCS+W4GkVur71HajBRjW5yDh3h3yGqX/6u2JYNyzMRJ4oMEjtIRT5E+NB/xcGZ7Cg==
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

2026-09-17T09:51:49.832638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086940
observed d07488f84dcb195946f8dea669f8b73f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.812116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086940/manifest.json
observed 22d6b679da3117913530c4598300429e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.792920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086940/publication.md
observed 6051111ac48d3190436b1255eba28832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:49.774224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086940/publication.txt
observed 955ed7997a9fc98cf9c0c748715d4563...
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.