OpenTechnical

OT-2026-000063871

Publication integrity record

Two cup vacuum gripper, two 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-2026-000063871) never changes.

Identity and time

Publication numberOT-2026-000063871 · never reused
Internal UUID01a0ae8d-53bb-7218-9a4a-e77f6dd9e4e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063871
StatusPUBLIC

Content hashes

Canonical text237fb0a79bab37845d9608ecd0f84a10f906608cc2fd97bda25654e7bfcdec35
Markdowna007a0c20e8fb94da3e1cbc24e7d18b61a381f5eb57afa24202488a603a7cf4d
PDF
Publication page82088467f93fbad629e1c5eb9c73faec52e778bf77dcb1ebbb766b1559787f10
Manifestd3404c64fa59d03fe82c252f3d1b46011b6a354649ad673a2b2d10d280ad8f0d

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
Signature9j8/EEKJLk6hoE0KoS0F3TdNae0XDOopU6GstjDw0yfXjKzQplyxM6h6zaBd1aur2aJGXknZbEl/he4Y2MPCCQ==
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

2026-09-17T10:36:54.621785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063871
observed 82088467f93fbad629e1c5eb9c73faec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.603707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063871/manifest.json
observed d3404c64fa59d03fe82c252f3d1b4601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.581717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063871/publication.md
observed a007a0c20e8fb94da3e1cbc24e7d18b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:54.561948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063871/publication.txt
observed 237fb0a79bab37845d9608ecd0f84a10...
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.