OpenTechnical

OT-2026-000007941

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000007941) never changes.

Identity and time

Publication numberOT-2026-000007941 · never reused
Internal UUID01a0ae6a-908b-7b2e-ac93-6cd9bd8f88ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007941
StatusPUBLIC

Content hashes

Canonical text974fd83a3df1ed4aca61c6c8aa8ad1d9f4b4275ffead65f35ba28f8b01a141ec
Markdowna8356c362aab440b05069f1b22e0fe694772f91aeb50f315cb563bd9a5f6472f
PDF
Publication page6841d46630dd1f1d83542c320bf5ba57e31fc6f256ba3ae001883c3be12c1204
Manifest5b6f546911050cc80ce5518be7dfe60cc10fa641d13805b2737eb01e0ea4fbff

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
Signaturer1XKe/gO6P0qPHFjlddNLmhCu98szAIyu/T05JdUH1TNJukfEfhsTJT/7BKVFPCk93a6YtUaUMAjiMkSF1T+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:22.577768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941
observed 6841d46630dd1f1d83542c320bf5ba57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.555438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/manifest.json
observed 5b6f546911050cc80ce5518be7dfe60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.495386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/publication.md
observed a8356c362aab440b05069f1b22e0fe69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:22.436212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/publication.txt
observed 974fd83a3df1ed4aca61c6c8aa8ad1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.165622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941
observed 6841d46630dd1f1d83542c320bf5ba57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.144230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/manifest.json
observed 5b6f546911050cc80ce5518be7dfe60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.123260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/publication.md
observed a8356c362aab440b05069f1b22e0fe69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:01.031888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007941/publication.txt
observed 974fd83a3df1ed4aca61c6c8aa8ad1d9...
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.