OpenTechnical

OT-2026-000085248

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000085248) never changes.

Identity and time

Publication numberOT-2026-000085248 · never reused
Internal UUID01a0ae99-43bb-7a94-9b63-bbe9e3e774ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085248
StatusPUBLIC

Content hashes

Canonical text69dc39da7fc89f6f401e00d05a62072a05953212e0dbc0b72b790621f8d6d2ca
Markdown641a8f4405b12d16483ad54aa482cf880a3953c0f918bdb6eddef5114d8f9fe6
PDF
Publication page2cec0b7ce409877230311a09d6870b2548f400d9c7894b3bac78b12de2210455
Manifest92a2ac8cd8da8280674cb924f1acafbec3a55bbace5787e7269471d88c7ea710

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
Signaturem2rJ5/gDCOufr7RJp7Zu36Ja4VyMwJiHVtdn30vx0oMMk8bHXUDGMQLzngjgoPXhazmfG7EKgg7GgzXOYgrPAQ==
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

2026-09-17T09:55:21.020227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085248
observed 2cec0b7ce409877230311a09d6870b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:21.002541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085248/manifest.json
observed 92a2ac8cd8da8280674cb924f1acafbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.982965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085248/publication.md
observed 641a8f4405b12d16483ad54aa482cf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.962795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085248/publication.txt
observed 69dc39da7fc89f6f401e00d05a62072a...
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.