OpenTechnical

OT-2026-000104422

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000104422) never changes.

Identity and time

Publication numberOT-2026-000104422 · never reused
Internal UUID01a0aea5-3421-7d63-81be-c759ebb49ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104422
StatusPUBLIC

Content hashes

Canonical textf444dd104d5d6780faa7a493512db7a8fab29ac6b1242401e5971086784d3629
Markdown305e561faece7c4985397230b2186b4b6c5fb08b263efaf39945b4cc66e83e60
PDF
Publication page3fd76045fd71196c9b245c92bb6350ded9ece5a9040baf40ea594b9c4891a1c8
Manifestb21378415210285722c51db1110f276a623d99d0808ce3a191ce7701fa8d26a5

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
SignatureMgShh6F6N+8iVKoXcmIDF/aCSzgasX0Cqg5vVJhC7YZl9Dsf3rrERL15hzHJ+ZJDSHONGeCBe33Ig7O5HHGBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:41.762752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104422
observed 3fd76045fd71196c9b245c92bb6350de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.744519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104422/manifest.json
observed b21378415210285722c51db1110f276a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.724786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104422/publication.md
observed 305e561faece7c4985397230b2186b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:41.707842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104422/publication.txt
observed f444dd104d5d6780faa7a493512db7a8...
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.