OpenTechnical

OT-2026-000103685

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000103685) never changes.

Identity and time

Publication numberOT-2026-000103685 · never reused
Internal UUID01a0aea4-e462-761c-b7c9-87f8da26afbe · 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-2026-000103685
StatusPUBLIC

Content hashes

Canonical text417075a880a8d12bf2e87e1f7ae5a16b440d50660053ba6b59e17861b4424e09
Markdowna2377a5cf53f4655885dd0b370d2b56397cdc25ccaf79f675fbcb9d5d71e9d12
PDF
Publication page697beea408b65f5a8b898862aa3397695cd8230be7a8dd50e59289a9cb87d225
Manifest910866bb09f83ed6414dc64fd31db382e24e101fe923c57e674252acd75b40e2

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
SignatureX9lpQMohbPpE4OdRgeJRln44ojSzouHQ1u503LGfXHcsoEHZyy8iUZbhj8keVhnVRzifNmDe+bjPwncVl8D8Cg==
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

2026-09-17T09:22:29.336492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103685
observed 697beea408b65f5a8b898862aa339769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.318250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103685/manifest.json
observed 910866bb09f83ed6414dc64fd31db382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.300884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103685/publication.md
observed a2377a5cf53f4655885dd0b370d2b563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.283955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103685/publication.txt
observed 417075a880a8d12bf2e87e1f7ae5a16b...
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.