OpenTechnical

OT-2026-000087579

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, 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-2026-000087579) never changes.

Identity and time

Publication numberOT-2026-000087579 · never reused
Internal UUID01a0ae9a-cd52-7d54-aed9-43c34adfc4a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087579
StatusPUBLIC

Content hashes

Canonical text8190c9617b537f8e883ef97927531a197819eb3a4fa56c383c4fe2d452bcb88e
Markdown2808c36d7ada40ad1e23892c51a3148bd755d39cfff79b5fb9c6c6c93f6c2eb8
PDF
Publication page3fa767e9767320d4a30fadbc39226bc550cfb4c86fb4c4207dd0f7e3024e8c3f
Manifest5c7e65e9c9a484f4e74573b6106797eed5c1189ce2a6cf4185c6992bcdee293d

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
SignatureEzQNwXxPBN7jSI6Pp8+5rR0ScyuqKCW+ZLywNHG48Mh7rpwqQztIJVXcipxvNqzjkUL84/Zd++MpFyzxJCftBQ==
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

2026-09-17T09:50:55.575463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087579
observed 3fa767e9767320d4a30fadbc39226bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.558168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087579/manifest.json
observed 5c7e65e9c9a484f4e74573b6106797ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.541874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087579/publication.md
observed 2808c36d7ada40ad1e23892c51a3148b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.527287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087579/publication.txt
observed 8190c9617b537f8e883ef97927531a19...
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.