OpenTechnical

OT-2026-000100685

Publication integrity record

Foam pad 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-2026-000100685) never changes.

Identity and time

Publication numberOT-2026-000100685 · never reused
Internal UUID01a0aea3-66f3-7548-9227-72de325e56a8 · 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-2026-000100685
StatusPUBLIC

Content hashes

Canonical textdfde94f93224a90df4ce4edc2726bf216ec6f0053b400dc849e8af9c9d34c9ef
Markdownf50b5ce8c6c7fa7e416ff869c7327cab75fe5e27f3bbb05369c71a3c71bf63d3
PDF
Publication page84344daf2876f3d9675828889d0f01eb1585a1b0cd16bf1b1cc1b161d762240d
Manifest194a6485a93b6e3f7fb406ce6b21b07c6fcb8997314a14ecafa186ec7e788815

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
Signaturee3lfaAqR6bE7M8Hz7Lzi/xfKqx377EJ5nhUPd3TW8NpO7WzKU3h/ro2VzJWXOQaECf5PKVkCyM5pCwGJEUXkDw==
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

2026-09-17T09:27:29.997950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100685
observed 84344daf2876f3d9675828889d0f01eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.980769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100685/manifest.json
observed 194a6485a93b6e3f7fb406ce6b21b07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.963437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100685/publication.md
observed f50b5ce8c6c7fa7e416ff869c7327cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.945757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100685/publication.txt
observed dfde94f93224a90df4ce4edc2726bf21...
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.