OpenTechnical

OT-2026-000095219

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000095219) never changes.

Identity and time

Publication numberOT-2026-000095219 · never reused
Internal UUID01a0ae9f-8f70-7014-a919-996f293401e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095219
StatusPUBLIC

Content hashes

Canonical text58a9fef3781a6b65751ead6cf2a30bd3ec73c9ff0b8fd48d16186823f87ba92e
Markdown2b3f2b52d9d56a43a791886ddbc8adc74b8005d4e2da98f19d9244eb26361c39
PDF
Publication page7488ef7c62a39f7f22757887fccb2c63e817a75e551c93694514277a67855d60
Manifeste48d522ff65498f4c284bf5954b591cd9d8b2c1016f54b3c9e33177bef78ed31

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
Signature9Ti4K1U/COMbwzUE7bnu5sjy2XQMxFK1ZFarwlReg+MAfFWWWDhyHPPWc2TqxGJ80MDQC5wn3uRYKZQTDWx4Bw==
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

2026-09-17T09:36:32.398097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095219
observed 7488ef7c62a39f7f22757887fccb2c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.380013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095219/manifest.json
observed e48d522ff65498f4c284bf5954b591cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.362429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095219/publication.md
observed 2b3f2b52d9d56a43a791886ddbc8adc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.344081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095219/publication.txt
observed 58a9fef3781a6b65751ead6cf2a30bd3...
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.