OpenTechnical

OT-2026-000040970

Publication integrity record

Foam pad vacuum gripper, three stage ejector, sustained 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-2026-000040970) never changes.

Identity and time

Publication numberOT-2026-000040970 · never reused
Internal UUID01a0ae79-6d11-7fbc-9542-71f8afcc19de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040970
StatusPUBLIC

Content hashes

Canonical text6d48bfb905c14346a5774e1940ee834d583c6c2a4d59f83417cd2a2d424be752
Markdown4e2b47741a30cb17653275bc15b5436e96a63843f09ceab8876c76bc92211b6b
PDF
Publication page835cf67466a5fc6d50a4996c9812d411d1615ff5346b7835d4b0f6497e262583
Manifestc49a891984ba70c21717176413201a9c40a61810e7975ce383388669ca4482ed

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
SignaturehRjSkUaUUOrdPB9mPhNB0Kie8adKxFuUQYIgP13R7xeSvbnLFJeInaG2vX9K48Ln9dT0A2DLvllZe7zL50s0CQ==
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

2026-09-17T11:20:22.488011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970
observed 835cf67466a5fc6d50a4996c9812d411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.470944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/manifest.json
observed c49a891984ba70c21717176413201a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.454232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/publication.md
observed 4e2b47741a30cb17653275bc15b5436e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:22.437257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/publication.txt
observed 6d48bfb905c14346a5774e1940ee834d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.187143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970
observed 835cf67466a5fc6d50a4996c9812d411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.172153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/manifest.json
observed c49a891984ba70c21717176413201a9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.155047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/publication.md
observed 4e2b47741a30cb17653275bc15b5436e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:47.138075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040970/publication.txt
observed 6d48bfb905c14346a5774e1940ee834d...
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.