OpenTechnical

OT-2026-000102993

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102993) never changes.

Identity and time

Publication numberOT-2026-000102993 · never reused
Internal UUID01a0aea4-be3d-7c61-ab6a-2c7ace00b961 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102993
StatusPUBLIC

Content hashes

Canonical text5d1447bfb7d09ddff84609892422363f4cbc1c24aa4d95483f4661bb84f05932
Markdownd4558f583c843aecddf88a54e303184ea96f083c11ca8df70ca45ec02e4903ef
PDF
Publication pagea99f031134aefd8fd4fac37538967d3cbaff13242c8f1378b1311addd7cae0cf
Manifest0f33c0c57c43e7d7e227622163a22ac592024957a7aae76ef7a7407d7ad80eaa

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
SignatureD0rVScRBNjds9yl/g84g3kdgQZXr/qgaj9Gzc36o2YGuYY2rtWzCdrGzf0hTbCkU8wW/sGf295Glxypio9p3Bg==
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

2026-09-17T09:23:06.444268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102993
observed a99f031134aefd8fd4fac37538967d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.426583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102993/manifest.json
observed 0f33c0c57c43e7d7e227622163a22ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.409766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102993/publication.md
observed d4558f583c843aecddf88a54e303184e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:06.392862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102993/publication.txt
observed 5d1447bfb7d09ddff84609892422363f...
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.