OpenTechnical

OT-2026-000007391

Publication integrity record

Vacuum cup gripper, two zone face, plant vacuum fed, pulsed blow off before set down

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-2026-000007391) never changes.

Identity and time

Publication numberOT-2026-000007391 · never reused
Internal UUID01a0a97d-1aac-7844-a5c1-5059dace134d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:23.470488Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007391
StatusPUBLIC

Content hashes

Canonical text2b03706a768432b3bac6d148bdd23b3b61c641feb37eb9fae471c10308edeb65
Markdown58b0386d29b46e9cfeba4cfae59dd1fcf68f54a102ab8634fc17366876ab887d
PDF
Publication page2b08e6e276024873c1f7e30d661703f5b5f3571b6f18c2dfc688a2debd45f8ed
Manifest44ee10ca317d19ab23114f2b0c0fff0f9f4364b49efb2f9ed478534982903e30

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
SignatureCNrnoL+OQj74Oa3m/h9I24LM10OnEZGRlfChXtEE/x6phZ9Cmc3Xk389YvYfd7wrnuJdU9YbR3RJwVAdlZLaCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.030771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007391
observed 2b08e6e276024873c1f7e30d661703f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.018178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007391/manifest.json
observed 44ee10ca317d19ab23114f2b0c0fff0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.004929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007391/publication.md
observed 58b0386d29b46e9cfeba4cfae59dd1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.992295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007391/publication.txt
observed 2b03706a768432b3bac6d148bdd23b3b...
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.