OpenTechnical

OT-2026-000034715

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000034715) never changes.

Identity and time

Publication numberOT-2026-000034715 · never reused
Internal UUID01a0ae76-1ed2-7942-abc9-decc76857ad3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034715
StatusPUBLIC

Content hashes

Canonical text90d52dede03ab0c5e2fcd53820d0051923af66cbd7ca6ce6792d6b278596cd49
Markdown19a5b4262a70bf070910cb4e433c628ef285f7fd6fbb7bb60fb848e72a5a7ee8
PDF
Publication page8b3782d2e63184e6ef44ce60ab95ece67bf26fca3898617036ace7f52baf2b71
Manifest3d962f8fb38fc86f0b6099dd11eda0a6b7445b9ed1c685322fa51f42054f7922

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
SignaturenY9Y92YAw1gRfB9GuI5A3iDJa1yQB2AugzgRtvc/XdqieBsgMe0TvRba9iM3s84aGEG12fOiHX51dJlLbWHRCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:06.921339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715
observed 8b3782d2e63184e6ef44ce60ab95ece6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.903070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/manifest.json
observed 3d962f8fb38fc86f0b6099dd11eda0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.883008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/publication.md
observed 19a5b4262a70bf070910cb4e433c628e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.863115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/publication.txt
observed 90d52dede03ab0c5e2fcd53820d00519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.739414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715
observed 8b3782d2e63184e6ef44ce60ab95ece6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.723426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/manifest.json
observed 3d962f8fb38fc86f0b6099dd11eda0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.707021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/publication.md
observed 19a5b4262a70bf070910cb4e433c628e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.689993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034715/publication.txt
observed 90d52dede03ab0c5e2fcd53820d00519...
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.