OpenTechnical

OT-2026-000029203

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000029203) never changes.

Identity and time

Publication numberOT-2026-000029203 · never reused
Internal UUID01a0ae73-2aa0-7f49-aacb-1fb93bbc25cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029203
StatusPUBLIC

Content hashes

Canonical text00299f77f8b917559147371d10262d034ece059adf3032ec4ab811965e694937
Markdown2407c5dd734a660eaf9d412c80909f096d865be41f0aa13829f4e232db53ccfb
PDF
Publication page5d06a398d08313e6a032fe3cf4deb3731bc5243e9698e392536073e1d935e2b4
Manifesta3a295c55db494f74fd05f63df6f0816981f41033eb64325e5aff837923cb591

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
SignatureCtrtjC9yHb97WlriG8TnAb5gXKwn3EJUYf7HvX7enrKYjPCqQeUEF7DBIUApvgBId4xBif5Eietu4dsYQ4/aBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:49.145035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029203
observed 5d06a398d08313e6a032fe3cf4deb373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.126245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029203/manifest.json
observed a3a295c55db494f74fd05f63df6f0816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.107205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029203/publication.md
observed 2407c5dd734a660eaf9d412c80909f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.088450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029203/publication.txt
observed 00299f77f8b917559147371d10262d03...
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.