OpenTechnical

OT-2026-000030303

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000030303) never changes.

Identity and time

Publication numberOT-2026-000030303 · never reused
Internal UUID01a0ae73-e501-7939-a037-d6238c1031f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030303
StatusPUBLIC

Content hashes

Canonical text2d8ed8cb6396f7fb970d81a1f94b1c4846ba5e771a2debf89a1d8c13c84495d4
Markdownb634444038c97d80103fc4ab1e9aa30b3f055d01487ad61ddd768c2698c83e87
PDF
Publication pagea103c86aceb82f0d8bd59ae9086ac139aa22e34de7f7d03d5478abdd8e7e3b39
Manifest07cc6120325cc580db2f14191e90faa60c275874e6b915c1a31bd88cc2b7395a

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
SignaturexeNfl5IJMZvoaB1JTiLJRLymi7IxHFWqV3Z/845XnrkoSxaHmhu64eMYGTzKOcF2GMIZTSN34S+wzf4j7NkzAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:00.146143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030303
observed a103c86aceb82f0d8bd59ae9086ac139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.127711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030303/manifest.json
observed 07cc6120325cc580db2f14191e90faa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.107013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030303/publication.md
observed b634444038c97d80103fc4ab1e9aa30b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:00.087614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030303/publication.txt
observed 2d8ed8cb6396f7fb970d81a1f94b1c48...
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.