OpenTechnical

OT-2026-000081194

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after 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-2026-000081194) never changes.

Identity and time

Publication numberOT-2026-000081194 · never reused
Internal UUID01a0ae96-f373-741a-b5ac-7cfd8592ec80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081194
StatusPUBLIC

Content hashes

Canonical text5b4870c011cdc23e60093d1fe0f229a8879c36b3b5592b369f76208a070f64e1
Markdownc1f3a135fa5288d6b4439156dc13b683facfbeffca63d282ea8228f350dab9fa
PDF
Publication pagebd34cdbb801058aa9fa8d3772870b8e868bffec2b952ab72299d3abcd1188ff9
Manifest5398f20cf93efc35692bf18eb3ffbe1da84f93910fce0c6336c6e54b90294539

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
Signature74JVVsqEehPHKbfGw8Dq18yH0jeKwkD/qXljlsVjGeWcVX8zew3T92Hfa1a8+jRlTtGR1HMeKZRsXijqEqvNBA==
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

2026-09-17T10:01:15.960824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081194
observed bd34cdbb801058aa9fa8d3772870b8e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.940725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081194/manifest.json
observed 5398f20cf93efc35692bf18eb3ffbe1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.901284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081194/publication.md
observed c1f3a135fa5288d6b4439156dc13b683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.860319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081194/publication.txt
observed 5b4870c011cdc23e60093d1fe0f229a8...
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.