OpenTechnical

OT-2026-000080241

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000080241) never changes.

Identity and time

Publication numberOT-2026-000080241 · never reused
Internal UUID01a0ae96-7e77-7521-8189-5cc97d265276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080241
StatusPUBLIC

Content hashes

Canonical textf079cd86b5dde5f2ba4e06423aa227c492bfd6e8f0445c7c8990c22fdc320a22
Markdowne333d3b43875bb2bd959eaef49e8e26f91b6a7fd6b67e1479eaa011bf965c8d0
PDF
Publication page39d4ca181393c1bf418b5232d1dd806cc1fdc75f6d2fa9f6ccffc0910d8d7045
Manifest4deb8c79fe808cf6b6e7916c45feff112dbba650b4cf4a6c4167534ebd78adee

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
SignatureoxST8mDuYwyrHmPQ47N0+Vy/YYHFRvq1m1nU6NCYr8awI2BeJXKixTRtO7NlWIPMsSf4ZuZg4LVLsrhFmGejDg==
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

2026-09-17T10:02:41.995902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080241
observed 39d4ca181393c1bf418b5232d1dd806c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.979203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080241/manifest.json
observed 4deb8c79fe808cf6b6e7916c45feff11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.959985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080241/publication.md
observed e333d3b43875bb2bd959eaef49e8e26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.941503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080241/publication.txt
observed f079cd86b5dde5f2ba4e06423aa227c4...
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.