OpenTechnical

OT-2026-000085694

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000085694) never changes.

Identity and time

Publication numberOT-2026-000085694 · never reused
Internal UUID01a0ae99-aaad-75f5-8691-be6e6d038d61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085694
StatusPUBLIC

Content hashes

Canonical text5627cc30c1ead908e4ad7885a7d7e56949d3f5e5cd17a8b62b493606df51b7ce
Markdowna6ce2affcc6183ab3e18d955036ef447349d6996aca5bb1452e5499c60a0e1f2
PDF
Publication pagef544141885cf96e50832c96fba6c76b73a5e09580a0543d8bf24e1ee601c8dfd
Manifest1e04cf2dc771648341e4906ad508b1b620dc7678ec395b9bc12036374ff0ea5d

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
SignaturesLrRioEreeAL89wB9rBLCi2wdCAu96fVLe88fMkx2ueYQkf1SNKn5HXTbSeORpDljj/XiyIsVFw+F4868uNdDg==
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

2026-09-17T09:54:35.793535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085694
observed f544141885cf96e50832c96fba6c76b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.775903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085694/manifest.json
observed 1e04cf2dc771648341e4906ad508b1b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.756682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085694/publication.md
observed a6ce2affcc6183ab3e18d955036ef447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.739352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085694/publication.txt
observed 5627cc30c1ead908e4ad7885a7d7e569...
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.