OpenTechnical

OT-2026-000075619

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000075619) never changes.

Identity and time

Publication numberOT-2026-000075619 · never reused
Internal UUID01a0ae94-29fd-7fb1-bce7-89f2ca58325b · 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-2026-000075619
StatusPUBLIC

Content hashes

Canonical textc75f78b1e6f59a92619d35dc56edf39e22dca44713ba219331aab4e987dafd41
Markdownf933bd8392b0df294a35c2256b291e9d5294615af8bde95641d423134ae9f542
PDF
Publication pagef196c73337c2d6d1af8506e70a70961658c3b5a7b5fcee0de665fcf95ce51bed
Manifestf23a0c6bdf8435304eff23f9f77898612518d059e91d5c9c651bbc6a9cc0ff81

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
SignaturenzVJ87rULtqt9dWyIY0sHsy/ZyFLyqx4nUCKLkn7OAJxg0D58eEoc86sKcnC7/V8pykD632ob+bs72d7/I6NCQ==
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

2026-09-17T10:13:19.705893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075619
observed f196c73337c2d6d1af8506e70a709616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:19.564455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075619/manifest.json
observed f23a0c6bdf8435304eff23f9f7789861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:19.543851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075619/publication.md
observed f933bd8392b0df294a35c2256b291e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:19.513136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075619/publication.txt
observed c75f78b1e6f59a92619d35dc56edf39e...
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.