OpenTechnical

OT-2026-000085698

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000085698) never changes.

Identity and time

Publication numberOT-2026-000085698 · never reused
Internal UUID01a0ae99-aaae-7a5a-af62-8b8fb7b049ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085698
StatusPUBLIC

Content hashes

Canonical textcdeba5307529d99d941eb1cbf5e84eacbd2fe7a5dd4fff50a1e83b3bcb81fefa
Markdown85290a064eaacd369f17eaf721f487a94bce13795bc17dafbdc36417de9b62cb
PDF
Publication page7b211eb346c51683408ecb655afbcfa1136a204b66cddd45d5a1e26c5e98243e
Manifest68060cc8fa394e5a8a17514f29bd134e91fe290991e21524080c9f2f29058f1e

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
SignatureiRl6//Z5bMfPlUa3j6A8lzu8j5QqRsy3ZSJV7NhtgiiNyHo6ECLRn9nTp6UrT4Op/yKHobOg8t8tM897brLkAw==
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

2026-09-17T09:54:36.096909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085698
observed 7b211eb346c51683408ecb655afbcfa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.078865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085698/manifest.json
observed 68060cc8fa394e5a8a17514f29bd134e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.060687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085698/publication.md
observed 85290a064eaacd369f17eaf721f487a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.044098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085698/publication.txt
observed cdeba5307529d99d941eb1cbf5e84eac...
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.