OpenTechnical

OT-2026-000085109

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000085109) never changes.

Identity and time

Publication numberOT-2026-000085109 · never reused
Internal UUID01a0ae99-43b9-7bea-a2ee-b2f9e96b9c19 · 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-2026-000085109
StatusPUBLIC

Content hashes

Canonical texta95abda06be351d8e97eed966f6da3a344848667b95a3af29a3314de7c8e654d
Markdown8aa3a07b336081c8818699e924822b89219dd0b3d6eb686fd00b44ae825a9a9a
PDF
Publication page1721e726f61bcb432a2b912b43c69da1d3a84c2413d0d4c01c0ad32b519bc073
Manifest1e030297fbd2fdb477a8bc352f3ec237fb23a8ac225ec5974599f38467a200b2

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
SignatureGdf1FTc0J0/hJpUPZ4MUhYhiLe3NBYyHvQBUEJBJdYU3iNqQioM9vGWm/q6myz0jOLA+GpUhtMc6ni1bwSy7Cg==
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

2026-09-17T09:55:10.804317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085109
observed 1721e726f61bcb432a2b912b43c69da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.787333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085109/manifest.json
observed 1e030297fbd2fdb477a8bc352f3ec237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.768468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085109/publication.md
observed 8aa3a07b336081c8818699e924822b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.752200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085109/publication.txt
observed a95abda06be351d8e97eed966f6da3a3...
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.