OpenTechnical

OT-2026-000088199

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088199) never changes.

Identity and time

Publication numberOT-2026-000088199 · never reused
Internal UUID01a0ae9b-1aa8-79ee-9c42-f3cdf81abae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088199
StatusPUBLIC

Content hashes

Canonical text8744a3776c4e3eb968ea20aad6b027544c14560a77c69d52cc60670e56278114
Markdown36d134a83f186995e6115be399df2bef4660f48f9330c8c5818232a68ab3a44e
PDF
Publication page3e849776778be657a02467fbec0fa1d19ea9e87cf324dcb05710b110dd56460f
Manifest7e97abf5dcd8c7f0d6f8c258739d46913d1d6e290753393755128c5abf623416

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
SignatureVeXt+HdFris/Ae6ZhIRmlmW93/WFwOlGiiLln2RbhZbOX5TWefzU5zIrBF3nyHFQko4UMBVcsDx6M0HXxuvRCQ==
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

2026-09-17T09:50:16.574146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199
observed 3e849776778be657a02467fbec0fa1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.559118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/manifest.json
observed 7e97abf5dcd8c7f0d6f8c258739d4691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.543137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/publication.md
observed 36d134a83f186995e6115be399df2bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.524094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/publication.txt
observed 8744a3776c4e3eb968ea20aad6b02754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.996193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199
observed 3e849776778be657a02467fbec0fa1d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.980937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/manifest.json
observed 7e97abf5dcd8c7f0d6f8c258739d4691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.963812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/publication.md
observed 36d134a83f186995e6115be399df2bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.946593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088199/publication.txt
observed 8744a3776c4e3eb968ea20aad6b02754...
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.