OpenTechnical

OT-2026-000083844

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000083844) never changes.

Identity and time

Publication numberOT-2026-000083844 · never reused
Internal UUID01a0ae98-0418-7cec-8a33-09dae0e35342 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083844
StatusPUBLIC

Content hashes

Canonical text5d2585d6614aa00a557b70f7867373cf2177d30df731f88163580d1ce759ab7e
Markdown23d5fed1492b6693f00b16cb6c08cf159f482ab495bbc1731c81f1147c24e7fe
PDF
Publication pagecc3400f67fb01ff34f4ee6274a79b3c1086151e3f7149967e1cb681802329bde
Manifest04844254d87b8378046eb0df92edd91d402d32fc7f5157174e7d868e2be4a6b3

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
Signaturewn3+HZVCtkDrrFZHTTcq8k2QfdfuoqyFQZYtDk4XiR04vJ6A4JbY3LD0oWKyXXiNdkLzqFkKZxWzSgoDM40dAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:07.486268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844
observed cc3400f67fb01ff34f4ee6274a79b3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.458910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/manifest.json
observed 04844254d87b8378046eb0df92edd91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.434854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/publication.md
observed 23d5fed1492b6693f00b16cb6c08cf15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.409112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/publication.txt
observed 5d2585d6614aa00a557b70f7867373cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.138243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844
observed cc3400f67fb01ff34f4ee6274a79b3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.121586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/manifest.json
observed 04844254d87b8378046eb0df92edd91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.105457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/publication.md
observed 23d5fed1492b6693f00b16cb6c08cf15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.088576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083844/publication.txt
observed 5d2585d6614aa00a557b70f7867373cf...
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.