OpenTechnical

OT-2026-000092281

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000092281) never changes.

Identity and time

Publication numberOT-2026-000092281 · never reused
Internal UUID01a0ae9d-875b-7c25-ad89-30e87409d588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092281
StatusPUBLIC

Content hashes

Canonical texta212bf3a70c9f06e0fda35679695e106aea9c4c6715db7ae8f0bc1f2a1d709ff
Markdown9347864c6bab2cc710a037f8dbfaf0f92803bdf091145f9e2e132a227fff0343
PDF
Publication page91a35dd1b8eb0688750bfd32a6053b0bb129720988b750ee995355f82f384293
Manifestb1430088b5364198d5c5f8f7d051ced329184eff33c88f36ef2edea2eabb8025

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
SignaturexIe171jIKK6rbfT24XbitFaKDVkXZSSCN4Sq0+KK7LK08xc6NhRuOlyVxZEiSvfXcxikourhyZLMRoC7LpDFCA==
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

2026-09-17T09:41:48.970375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092281
observed 91a35dd1b8eb0688750bfd32a6053b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:48.954034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092281/manifest.json
observed b1430088b5364198d5c5f8f7d051ced3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:48.934027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092281/publication.md
observed 9347864c6bab2cc710a037f8dbfaf0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:48.916083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092281/publication.txt
observed a212bf3a70c9f06e0fda35679695e106...
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.