OpenTechnical

OT-2026-000100820

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000100820) never changes.

Identity and time

Publication numberOT-2026-000100820 · never reused
Internal UUID01a0aea3-66f5-7287-bbb0-ed509e1e9989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100820
StatusPUBLIC

Content hashes

Canonical text2e5dd944d1dd441cde9a50713e03f1fe732210ea47b606bd6fc95a7d98cb6f80
Markdowndd7fe0bf541cd4a969056e118e488724d9b28129745f96d86ac79062cda38c9d
PDF
Publication pagee40c403f09a37a8657a65fcb3332fcdbdfb9d18209821f27031a237294104cf3
Manifestc0a50454f4e0a527ab782ed138a75d9a0eef69a964e9033c977e7d0924a1c155

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
SignatureMXbcTHWJNdVFdNPOlH8+PfLz8ms3bJb32fyEgukiZYjnwkX0kFgbRhGNIE15ZagyxwQs1h/CrrwrcRCGsvhnDQ==
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

2026-09-17T09:27:44.415106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100820
observed e40c403f09a37a8657a65fcb3332fcdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.396180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100820/manifest.json
observed c0a50454f4e0a527ab782ed138a75d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.376580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100820/publication.md
observed dd7fe0bf541cd4a969056e118e488724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.357445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100820/publication.txt
observed 2e5dd944d1dd441cde9a50713e03f1fe...
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.