OpenTechnical

OT-2026-000099774

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000099774) never changes.

Identity and time

Publication numberOT-2026-000099774 · never reused
Internal UUID01a0aea2-c977-76f3-a75a-7ce002d8d318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099774
StatusPUBLIC

Content hashes

Canonical text02fae41be80447a956eb3bccd4599d697acafa0dbef69a416ddd9c598c222aeb
Markdown051a9b035b1249f132b3bd716957d340a593c87d7c15ae92f50f131d27dcade5
PDF
Publication page767bb3516b59647779edf9009049bcc4a8fb294c969c0fbf46849359e8d87903
Manifestf8ee803e3ec86eec59204a112633c8a41b6d6a2f9314d1b39cba50a71b6df921

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
SignatureHp+HDvq0tRGzNRz+CIF9e83QzR0BgOqwQIwkqk7xoMGrWKbFwTunqXuznXHHiKK0AZ7j9re7r67A3rEgZaOqAw==
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

2026-09-17T09:29:48.433413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099774
observed 767bb3516b59647779edf9009049bcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.416875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099774/manifest.json
observed f8ee803e3ec86eec59204a112633c8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.400219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099774/publication.md
observed 051a9b035b1249f132b3bd716957d340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.382091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099774/publication.txt
observed 02fae41be80447a956eb3bccd4599d69...
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.