OpenTechnical

OT-2026-000029487

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000029487) never changes.

Identity and time

Publication numberOT-2026-000029487 · never reused
Internal UUID01a0ae73-5e21-77c9-98a1-cb8b8bec3cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029487
StatusPUBLIC

Content hashes

Canonical text48b73664374d0500f6593081dc391f5255c861c0125ae4e8a58b89f2373ac373
Markdown2272fc2c1b197fac0f797bc9eddaa5ef0a0814b4367ac34f752dafa854a001d7
PDF
Publication pagea5a4968e6c84641cf86ac3a1f8b7febdc6e2eb01267c11ca75a731e2aad092ce
Manifest73a6f0696f9dbeb91f9b319c4968a85c54dc95c09b93d7e009a94b90983b85d6

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
SignatureUiq2f6MVh0kt/DTOQJTYeTCZ014pK4bLNM8HXMqXUcm6WPPylMn8tVoMLRllK5UGGGS2STSG1KhgoyVjOPGvDg==
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

2026-09-17T11:39:06.961226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029487
observed a5a4968e6c84641cf86ac3a1f8b7febd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.944411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029487/manifest.json
observed 73a6f0696f9dbeb91f9b319c4968a85c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.926641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029487/publication.md
observed 2272fc2c1b197fac0f797bc9eddaa5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.910812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029487/publication.txt
observed 48b73664374d0500f6593081dc391f52...
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.