OpenTechnical

OT-2026-000083929

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000083929) never changes.

Identity and time

Publication numberOT-2026-000083929 · never reused
Internal UUID01a0ae98-0418-7e24-b564-70f1e98b1033 · 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-2026-000083929
StatusPUBLIC

Content hashes

Canonical textffdb62d3ed5f59c94e0f85297584f4d1313d628ffa65eddbbcb07d8c2ba64169
Markdown1582fdd434778604ef454a76978acafeb9f54367e8ff2c65318b881c749495e9
PDF
Publication page39fd406c61fe31b3f14bbaf89c50adee2c0ce2298d69d67013c695d4e2c7bbb8
Manifest2cc409b2a7224a5efb8a1e3078ba8d354a5948901694d44bd1b8d2de57ed4c01

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
SignatureCqCJETRi6fghDIzLH3CHFSQ9jmKQwjUBhcUN9SJil3nuhxDYbBw/Ysj+5S7wI1LAW1uDPVZHbCVM9pTTS8pnBA==
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

2026-09-17T10:00:25.474380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929
observed 39fd406c61fe31b3f14bbaf89c50adee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.456760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/manifest.json
observed 2cc409b2a7224a5efb8a1e3078ba8d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.437872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/publication.md
observed 1582fdd434778604ef454a76978acafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:25.416303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/publication.txt
observed ffdb62d3ed5f59c94e0f85297584f4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.383801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929
observed 39fd406c61fe31b3f14bbaf89c50adee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.366596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/manifest.json
observed 2cc409b2a7224a5efb8a1e3078ba8d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.348023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/publication.md
observed 1582fdd434778604ef454a76978acafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:36.330622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083929/publication.txt
observed ffdb62d3ed5f59c94e0f85297584f4d1...
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.