OpenTechnical

OT-2026-000086229

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000086229) never changes.

Identity and time

Publication numberOT-2026-000086229 · never reused
Internal UUID01a0ae99-e82c-79be-847e-4c1b34fcf46e · 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-2026-000086229
StatusPUBLIC

Content hashes

Canonical text8998ad3611f0668fa673fbe2da410f341b411ddc003a82c010c3fa24c7aed31b
Markdown4abdeb80f1ad0708ba3f37b4d03ff4e344061f0f9cdfaaa1c4a51f436afe63a3
PDF
Publication pagef33c698fcf81419f715f97599073c7c05694e3ef4d46ba6c91fd392624774129
Manifest2175ee8b93a4cc2e0d08330056e45710b300a63f3c56d6171ded702703c803f7

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
SignatureH7qKKnATWi6ye7worQW1aXL0NQ3UZNVIgEQt5OklNhkdswuv/FspCgCapMDbY8J2NJrNyQDfEJvD9LSd0W80Aw==
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

2026-09-17T09:53:54.963734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086229
observed f33c698fcf81419f715f97599073c7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.946650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086229/manifest.json
observed 2175ee8b93a4cc2e0d08330056e45710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.930339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086229/publication.md
observed 4abdeb80f1ad0708ba3f37b4d03ff4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.912996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086229/publication.txt
observed 8998ad3611f0668fa673fbe2da410f34...
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.