OpenTechnical

OT-2026-000076091

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076091) never changes.

Identity and time

Publication numberOT-2026-000076091 · never reused
Internal UUID01a0ae94-6a6e-7cc1-9cb8-d0fa7a9a262e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076091
StatusPUBLIC

Content hashes

Canonical text76c15383e59cef21cf93e4f347fd71a09067e4761b1ad3ea77bbfa7db926e783
Markdown9f9081100035bd0fe7be08f8ae581c4be221bebce8f3a1a2e065d96408dc1de1
PDF
Publication page37ee61c1d1967e0bc47c490810bdfc8c0ea8b41bdde5a30111664ea2926dc990
Manifest0dc13b1e4742272fbe1f0f7bb7ba7394b40eeea35274d78b6deb94ce00780a7e

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
SignatureS6fKmHF7yei/5YiE8LIzJBm4ikr9pXs3HxsI3M7uwhb4J9RNKa+nFZOsTrIuG62azyybDmTP8hG8YrymOSVFAA==
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

2026-09-17T10:10:55.964161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076091
observed 37ee61c1d1967e0bc47c490810bdfc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.944969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076091/manifest.json
observed 0dc13b1e4742272fbe1f0f7bb7ba7394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.799464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076091/publication.md
observed 9f9081100035bd0fe7be08f8ae581c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:55.780627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076091/publication.txt
observed 76c15383e59cef21cf93e4f347fd71a0...
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.