OpenTechnical

OT-2026-000102166

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102166) never changes.

Identity and time

Publication numberOT-2026-000102166 · never reused
Internal UUID01a0aea4-50f2-7ac0-b258-681540270381 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102166
StatusPUBLIC

Content hashes

Canonical text5b91a8fab4e67b6ea13fbbd352cf435debd41569ac674dd88e8d17e4a3842d08
Markdownc6e7c8178cb808722d1f9972ed83f202cfa4f4401ef24a1c33cda04d732c39ed
PDF
Publication pagedfb827cb59d43c7ff48ad6c6fb64df6f70221ac570fcff2cb3542aef81456142
Manifest72ad1a965468b88396a65ba02d28cda735e22c89e630abdd22f4b7f6b8500e7f

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
SignaturevNjoCa91ICeCHpKX/X2GBMgxvVZJPVuTn6RzFl4FmtxRVHERDA5F3xRQKVpw9aZWthDMzPXPRazWT45iqaEsDw==
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

2026-09-17T09:25:20.187985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102166
observed dfb827cb59d43c7ff48ad6c6fb64df6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.153449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102166/manifest.json
observed 72ad1a965468b88396a65ba02d28cda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.132843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102166/publication.md
observed c6e7c8178cb808722d1f9972ed83f202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.098558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102166/publication.txt
observed 5b91a8fab4e67b6ea13fbbd352cf435d...
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.