OpenTechnical

OT-2026-000075857

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000075857) never changes.

Identity and time

Publication numberOT-2026-000075857 · never reused
Internal UUID01a0ae94-29fe-757b-8361-f16449856a07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075857
StatusPUBLIC

Content hashes

Canonical texte4c86bf5248751e2d5c2f2290fa9f263b0a5d2af3f66e19e11ccde8e3425deb0
Markdownf768bf4cbe0d2cd91e840a8a817ace59741dfa6eb79988bc3e47aa2da842c07a
PDF
Publication page208e961a03a0136c1ba1f8b47d5dd401dcae20e45759f328188cb8fd4351d559
Manifesta0b0c36d728dfc11c56be474c53c8d4aca5628e680254d40faacacf7e36aff89

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
SignaturejS35SKdXtz9Uvr8mfzRNmVpfxNIloSFDozEbUUOhYqeNMlfQnLL0cFfVHdkKVcihYwBXzSHOHlk2t6plGD6+DQ==
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

2026-09-17T10:14:35.223797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075857
observed 208e961a03a0136c1ba1f8b47d5dd401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:35.063024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075857/manifest.json
observed a0b0c36d728dfc11c56be474c53c8d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:34.559971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075857/publication.md
observed f768bf4cbe0d2cd91e840a8a817ace59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:34.541036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075857/publication.txt
observed e4c86bf5248751e2d5c2f2290fa9f263...
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.