OpenTechnical

OT-2026-000068632

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000068632) never changes.

Identity and time

Publication numberOT-2026-000068632 · never reused
Internal UUID01a0ae90-2483-7e80-88e5-058e3fdf4a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068632
StatusPUBLIC

Content hashes

Canonical text9b9cacf062ecce8251876718ec9850b679a8116d706df822cce7aa99475e5c45
Markdowndd0007d610578c90dbaa770b5740fe4786ec4bb5a509b2da403d4a8713c54f52
PDF
Publication page35c7a95089db1dd83e336dd7f2ca13d08d2a727bd6b354834afd474911efb320
Manifestdac147ce27da791a8a6bd94f28ecd1f8a064a41c24fd58b46b776e362600309e

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
SignaturetAUPBzSTzTZUegJOjwgWLf8P7uLAd4yZ2pwG59/9029/6dJ/w4RH9sTmyELbssvrhq5ErXcx2nWye6vsPDq2DQ==
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

2026-09-17T10:29:49.228546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068632
observed 35c7a95089db1dd83e336dd7f2ca13d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.212213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068632/manifest.json
observed dac147ce27da791a8a6bd94f28ecd1f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.193778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068632/publication.md
observed dd0007d610578c90dbaa770b5740fe47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.176653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068632/publication.txt
observed 9b9cacf062ecce8251876718ec9850b6...
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.