OpenTechnical

OT-2026-000083579

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000083579) never changes.

Identity and time

Publication numberOT-2026-000083579 · never reused
Internal UUID01a0ae98-0415-77ca-b0a5-3784534b378e · 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-2026-000083579
StatusPUBLIC

Content hashes

Canonical textdf9506a567a498ef849bbe17c34962e38bf2cc1602e25932881cfa5586375698
Markdown2152b9b0481ffd0ab93c1952076a02a3d13b65209c84846270b3fff50e5d17b0
PDF
Publication page8789cb2e268089b8a7507cb08833080c74f2c0e52f45184202e284eae6d4a6f9
Manifest3de3a3f122d93a20be0a861746ad6256f0a623bbcbb7c67166034157fba3ce2e

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
SignaturefReTvcKnEkQmlXYbsqiXyByHY88huhF44hceDJ8R8nugojhzWD/r7n56f6cVaKkNTMcBHeGVh5xsNGeZU7n3Bw==
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

2026-09-17T09:57:04.203376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083579
observed 8789cb2e268089b8a7507cb08833080c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.186828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083579/manifest.json
observed 3de3a3f122d93a20be0a861746ad6256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.170229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083579/publication.md
observed 2152b9b0481ffd0ab93c1952076a02a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.152348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083579/publication.txt
observed df9506a567a498ef849bbe17c34962e3...
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.