OpenTechnical

OT-2026-000075206

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075206) never changes.

Identity and time

Publication numberOT-2026-000075206 · never reused
Internal UUID01a0ae93-f200-7d72-b107-3fc58ceb235c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075206
StatusPUBLIC

Content hashes

Canonical text9331ab4f629af2f649922a75081d0134654af5fe976587c37faeabaf21b6f434
Markdownda82bb0ce7fa1838ca1d545332f57e8f09cbcd1981f953e3a4b47bb77de13536
PDF
Publication pagebe242354c64d1a6d83208508b040a2be00f9af7458fe2d794c7043ef16ce4245
Manifestd450ab9d8210ac616b217aabc5e87f7b393c261c4595dd58bef49edf9d21a4a0

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
SignaturexiSBs6wqlSThrCfLGDcFtzlBlKnETzH0dEern3mzMT4rmoRIAWr4PNwNODGjgHQ99WMGhzgUITMU0Gzn91zdAA==
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

2026-09-17T10:20:27.922235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206
observed be242354c64d1a6d83208508b040a2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.902076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/manifest.json
observed d450ab9d8210ac616b217aabc5e87f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.882259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/publication.md
observed da82bb0ce7fa1838ca1d545332f57e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.862688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/publication.txt
observed 9331ab4f629af2f649922a75081d0134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.755858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206
observed be242354c64d1a6d83208508b040a2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.736795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/manifest.json
observed d450ab9d8210ac616b217aabc5e87f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.717810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/publication.md
observed da82bb0ce7fa1838ca1d545332f57e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.698300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075206/publication.txt
observed 9331ab4f629af2f649922a75081d0134...
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.