OpenTechnical

OT-2026-000095059

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000095059) never changes.

Identity and time

Publication numberOT-2026-000095059 · never reused
Internal UUID01a0ae9f-2df0-7d09-853e-35380b9131a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095059
StatusPUBLIC

Content hashes

Canonical text692a946ebb86a00ef52ad8b80afe8788c340eaf22bfe58c6ae4aa2cfde7558b8
Markdown4712f0ce25b450e719cbb4d360517016f121ae7b9ccd8cdbaff7725523069128
PDF
Publication page0e7ea3b4aa08ffa3f78415aec7af14ed37a0ee0f1745689749c8560151ab4c08
Manifest349967d363448f57c89087ff94b694f3b24c7bedb8d4466517f8dc10c35ebd3f

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
SignatureVN4ss+zQdesyfrBOlouAuhO6o+Muqi4JNtJYJBHklXiL7u5QPy6415FNdf1msdjlkdTJ/LT20sI2nyXXsk55Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:37.661003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095059
observed 0e7ea3b4aa08ffa3f78415aec7af14ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.645036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095059/manifest.json
observed 349967d363448f57c89087ff94b694f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.626430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095059/publication.md
observed 4712f0ce25b450e719cbb4d360517016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:37.607240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095059/publication.txt
observed 692a946ebb86a00ef52ad8b80afe8788...
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.