OpenTechnical

OT-2026-000085678

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000085678) never changes.

Identity and time

Publication numberOT-2026-000085678 · never reused
Internal UUID01a0ae99-aaad-7b6f-9f1e-6a65e7fe677a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085678
StatusPUBLIC

Content hashes

Canonical text82029eaf664d5608253b0c8ad931347a6a882cd54c8cb7b831ef93694e52bcd7
Markdown45e7e8da31616a3adf219329ec10ab9a255912ae7d7e1d0c96a5b628c8144644
PDF
Publication pagee7c3a4a40d655f88f21346e2a8d69718df442dad9ca75b249834a402806c2421
Manifest4ae27054ab9f75c530adc3e7b920143b208fc9ac79e785d7a10a19ef6fe407ab

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
Signature2hqoGF+LXIySTjW/7+g8FBZKrz5ZuLhovEkpEdbiTmtgvud8AZB8f1Bbi/OeGxjcytCjc98w0Vj7iKflFwQjAg==
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

2026-09-17T09:54:34.491103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085678
observed e7c3a4a40d655f88f21346e2a8d69718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.473670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085678/manifest.json
observed 4ae27054ab9f75c530adc3e7b920143b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.457236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085678/publication.md
observed 45e7e8da31616a3adf219329ec10ab9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:34.439342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085678/publication.txt
observed 82029eaf664d5608253b0c8ad931347a...
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.