OpenTechnical

OT-2026-000104030

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000104030) never changes.

Identity and time

Publication numberOT-2026-000104030 · never reused
Internal UUID01a0aea5-341e-71e0-a86d-a981537277a8 · 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-2026-000104030
StatusPUBLIC

Content hashes

Canonical texta0f327c30f47e813e6edeab11d394c1a10240178f2a7c94bc944f656c8730b18
Markdownac851df65922af98a85ab7833307982a0d509b7f20db91a20b09f6ffe87e5b96
PDF
Publication pagec39c62f08c6456be66804cc70edd458f9468cd70549f8812843f359614208e2c
Manifestb2f9647f56110dbd911cd15d5e6a154aae86a884203abd047a03498399380e85

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
SignaturemfZBoSHlH9c0JfUT82b8dDJN0m9KpAguFjTrLv77TwMI+t1E3BKGEMdVuqrr7F7MZtPDGC9kflAMi1RgLUmFBw==
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

2026-09-17T09:20:05.559566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104030
observed c39c62f08c6456be66804cc70edd458f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.543906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104030/manifest.json
observed b2f9647f56110dbd911cd15d5e6a154a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.526822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104030/publication.md
observed ac851df65922af98a85ab7833307982a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:05.511142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104030/publication.txt
observed a0f327c30f47e813e6edeab11d394c1a...
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.