OpenTechnical

OT-2026-000085991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000085991) never changes.

Identity and time

Publication numberOT-2026-000085991 · never reused
Internal UUID01a0ae99-e82a-773c-960c-e67a81fe77ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085991
StatusPUBLIC

Content hashes

Canonical text937a582044aecac61fa4199c226a2aa0a67ca6f5a1f6e918df17ab477a208311
Markdownad2b613c8eff8daf076db08519ad02f47e25e115a8ea15823f1e55c92eb614de
PDF
Publication page7dec95277bd6d39c73b1a707778d68afb0c19c9b4232915df273905d59f37eba
Manifest943930bf54a3744e9719361eb23868c7938cdfe09ce1edab28be06fe1473b6f2

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
SignatureEiPxFNCNy3BGrUW+VyKKnb0o4OC5f7w1IwbUF6GC8SEOx8TQ9L3Z+c+t6/1FsE48WLvkYPn8+xXOnsT09fV/CA==
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

2026-09-17T09:52:58.311340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085991
observed 7dec95277bd6d39c73b1a707778d68af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.292698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085991/manifest.json
observed 943930bf54a3744e9719361eb23868c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.273363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085991/publication.md
observed ad2b613c8eff8daf076db08519ad02f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.256137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085991/publication.txt
observed 937a582044aecac61fa4199c226a2aa0...
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.