OpenTechnical

OT-2026-000103631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pulsed blow-off after 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-2026-000103631) never changes.

Identity and time

Publication numberOT-2026-000103631 · never reused
Internal UUID01a0aea4-e462-7b8f-9a25-778c8fccc29a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103631
StatusPUBLIC

Content hashes

Canonical text410bb1272de81186e0d8f554bce51305d96bb9446a56f09c8ff0a1eeae9c330e
Markdowndbac328640e8cc158347e7d5655138515526a8c5a8ac8b34f014f703b47099b4
PDF
Publication page8aecaea46343d230aab07832297980e83a9d1e764769582c889989645e89aeae
Manifest97fb8bb49417f4f58763f35554bada3cfd0f269cee0ebca47cd0fb406bedf0a9

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
Signature0ckdvrrDlTzAsLC4Qvn9x6i+4tyKggK23xJKl76dp2uJPJC5nfIdj4MA0zA725Rfjr5z60QLbCKATL+woZGZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:25.587928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103631
observed 8aecaea46343d230aab07832297980e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.572070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103631/manifest.json
observed 97fb8bb49417f4f58763f35554bada3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.556006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103631/publication.md
observed dbac328640e8cc158347e7d565513851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:25.540204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103631/publication.txt
observed 410bb1272de81186e0d8f554bce51305...
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.