OpenTechnical

OT-2026-000083037

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000083037) never changes.

Identity and time

Publication numberOT-2026-000083037 · never reused
Internal UUID01a0ae97-c961-7635-b5a2-5d344b346c8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083037
StatusPUBLIC

Content hashes

Canonical text37c271e5e80468fb165d41e416cb6cab9025d5e54ae26141d56dacbeefb2bca6
Markdown9a6631f141903bdd77ed1d218f8de694522cc82d1b270f40ffa8837833bb08ed
PDF
Publication page023bc1d161549b362abb9b02395dc193460bb17213e16539e187e31fad04d334
Manifest7c289ad357a2421a6a1935fe2bd16143829ad90150761e52b82fe55a6475d5f4

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
SignaturefZr0upnzHfP2WI4Dt8B5/P61f/dG95UmSZn+gQSw4LC54J6mogsfOBSxBJZK1giDVl/19VFQu2+R3pQ60POUCQ==
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

2026-09-17T09:00:22.403457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083037
observed 023bc1d161549b362abb9b02395dc193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.386538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083037/manifest.json
observed 7c289ad357a2421a6a1935fe2bd16143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.367426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083037/publication.md
observed 9a6631f141903bdd77ed1d218f8de694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:22.348464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083037/publication.txt
observed 37c271e5e80468fb165d41e416cb6cab...
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.