OpenTechnical

OT-2026-000083597

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000083597) never changes.

Identity and time

Publication numberOT-2026-000083597 · never reused
Internal UUID01a0ae98-0415-70ef-b87a-265be9c71a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083597
StatusPUBLIC

Content hashes

Canonical text5279125df2908d19780004ef8de76b5733a1f741f468212c8720edd01b7528dd
Markdownfce97b86fb02bebbb28db4f61a225cfdc12c61200b49106960d15f940e6b85ad
PDF
Publication pagebdbcdcb3cd93b8ba67d7b389229dfeff54a2fde56f3b5962391449976d7d5e5e
Manifest73b22279dc48c3a4609a25bf2f1e89552fdea3018dcd4f4c8cfe3b5224d4b8f3

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
SignatureIOe0g6RTXE9TUyY+Oku1IqYAOlQXLOrEMxP5nmZqPn3kwWSTVvpHcVZ5w2s/uH1WzIS5g7fy5tf8Gr0kyBqODg==
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

2026-09-17T09:57:05.453583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083597
observed bdbcdcb3cd93b8ba67d7b389229dfeff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.437385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083597/manifest.json
observed 73b22279dc48c3a4609a25bf2f1e8955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.421172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083597/publication.md
observed fce97b86fb02bebbb28db4f61a225cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.404181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083597/publication.txt
observed 5279125df2908d19780004ef8de76b57...
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.