OpenTechnical

OT-2026-000102213

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000102213) never changes.

Identity and time

Publication numberOT-2026-000102213 · never reused
Internal UUID01a0aea4-50f3-764b-bf53-1a2af426ba68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102213
StatusPUBLIC

Content hashes

Canonical text651ee3ef1cab449bf6bb7999c35e70d926a9a519ffcbcc24a4ced299d2dc6e4d
Markdownb21a1e826ef100c190c4dce9b50bd0c8005e85d2d3d741eeea9784cc50d531ff
PDF
Publication page2876d885895197d5d79eec769b845c4125e03febf0a623a652658aa5e6471b1d
Manifestc67fc92e69d2b088ae9e891d9d83f4413bdc64f3948c85e9a08dad81ff19bc3a

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
Signaturezzy9t4VWUxlNumSjYnR7SuwhTLaHyottfekpLzHZrKi7XAPSMdFx8cbAaWmnXpquMQTM6rTjY5aueFdceE4QAQ==
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

2026-09-17T09:25:23.344103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102213
observed 2876d885895197d5d79eec769b845c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.328319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102213/manifest.json
observed c67fc92e69d2b088ae9e891d9d83f441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.310723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102213/publication.md
observed b21a1e826ef100c190c4dce9b50bd0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:23.290886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102213/publication.txt
observed 651ee3ef1cab449bf6bb7999c35e70d9...
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.