OpenTechnical

OT-2026-000090379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000090379) never changes.

Identity and time

Publication numberOT-2026-000090379 · never reused
Internal UUID01a0ae9c-7f2d-7bf1-9ea4-a0ea5f2c8c8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090379
StatusPUBLIC

Content hashes

Canonical text63bba84e24d8b620c3b1ba5afa4fec63875de47d0c8761719db388c3ac2dd915
Markdown8cc8454e8d8be01b9aa1c2a6384209667933d9e9590397efbd33d95a276c40d4
PDF
Publication pagef3a21faf0a22cef1a27fe958b2c81a5b0c9cc55797e3de57347bfe87b23c2bd6
Manifesteadf1fec0c0ae7c34b916b53b7391ff46e5ebb86396858a348ab762602ba8653

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
SignatureaoYz1lHKBY7cK8KtyG5Y0HKQHaVrvLNuNDWO/Nojf3dFvXDBUn1J5p/sieXJkjxWFxglKMV5IaDM4p/T63gQCg==
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

2026-09-17T09:44:29.063508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090379
observed f3a21faf0a22cef1a27fe958b2c81a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.045964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090379/manifest.json
observed eadf1fec0c0ae7c34b916b53b7391ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.027253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090379/publication.md
observed 8cc8454e8d8be01b9aa1c2a638420966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.006788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090379/publication.txt
observed 63bba84e24d8b620c3b1ba5afa4fec63...
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.