OpenTechnical

OT-2026-000099908

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099908) never changes.

Identity and time

Publication numberOT-2026-000099908 · never reused
Internal UUID01a0aea3-1473-7c73-8513-8386baed13f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099908
StatusPUBLIC

Content hashes

Canonical text9b661bcf288a3e7af289f243d16fa29df6c4f551cb6930d84fbc00399b14dfa3
Markdown5b5c3e1d791870b741d9c4c9908e085948650dd543e0469a261faf319198bd0e
PDF
Publication pageeda6b2829188ea6e711714267a6a8fdcfd4a52f376baade273fdf46fc924596c
Manifest8cb7d89cbc38dedc0c98f27ce75a119d6864d29103e98799267b9a3c9d8e4440

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
SignaturemvAZCKungXDvHnf/0egnd3ETe9s+Tm6xF7FH3Gta3bfSOPPHyYQjrwMQC4zSSvVebPjrqzGSrmbdFwOMY7XjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:32.822813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908
observed eda6b2829188ea6e711714267a6a8fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.803073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/manifest.json
observed 8cb7d89cbc38dedc0c98f27ce75a119d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.784592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/publication.md
observed 5b5c3e1d791870b741d9c4c9908e0859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.766224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/publication.txt
observed 9b661bcf288a3e7af289f243d16fa29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.510114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908
observed eda6b2829188ea6e711714267a6a8fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.491493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/manifest.json
observed 8cb7d89cbc38dedc0c98f27ce75a119d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.472200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/publication.md
observed 5b5c3e1d791870b741d9c4c9908e0859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.453862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099908/publication.txt
observed 9b661bcf288a3e7af289f243d16fa29d...
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.