OpenTechnical

OT-2026-000068219

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068219) never changes.

Identity and time

Publication numberOT-2026-000068219 · never reused
Internal UUID01a0ae8f-c4ff-7352-814b-b6d660e0e7b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068219
StatusPUBLIC

Content hashes

Canonical texte39450c463a907d17f1c6d367ad2317ca17c4836c2ec2204a8d7c5123f9b32ee
Markdown80273b31bc925926356b93f47c087d810785e91d838b1bb1ed59b560d4d6f398
PDF
Publication page5237397a7251cfefe3c687fd4be09c927f5194a274772250cd2ea62c07170b0f
Manifest259f766b0ae86fe01324d86ccb1d23dc2d4d5a252016977bab493315c15075e7

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
Signature6Y/aWOGpAjBdv29K2fIuozK216ktEId4y8VKp8ZE/Ri1UaGh/nb5qTF/M2gHfLC008mceRg+hPoCXw19RnyUBw==
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

2026-09-17T10:30:53.053895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068219
observed 5237397a7251cfefe3c687fd4be09c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.037350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068219/manifest.json
observed 259f766b0ae86fe01324d86ccb1d23dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:53.018319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068219/publication.md
observed 80273b31bc925926356b93f47c087d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.999624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068219/publication.txt
observed e39450c463a907d17f1c6d367ad2317c...
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.