OpenTechnical

OT-2026-000103945

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three 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-2026-000103945) never changes.

Identity and time

Publication numberOT-2026-000103945 · never reused
Internal UUID01a0aea5-15e8-7917-af86-1596d43566ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103945
StatusPUBLIC

Content hashes

Canonical text7cd79b55773e475bb89a5b86fd16fc60d69b69af8b866d344966cfa7a17659f0
Markdown9da53517dde187fcd6e71e713e224d5b52b35a1e453367d5722a33c6f5c4688a
PDF
Publication page779c35f4373437af4c505f8d37da7433c053a3d2acea0353afcd7fd83e5d9af2
Manifestbafb4ab21fe7cc0e46d9d2a01a7ae131abb391a0633ddff3ad802a79557b62e0

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
Signature4VRe1+0G0xMZIvH7ieg1XMyJ9XU8qEMIuNQGmIXKVV5VLwS8xwBcG4cr8hO/lorl3uaTEdVsBU1tGmcJvd5nDw==
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

2026-09-17T09:21:56.737644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103945
observed 779c35f4373437af4c505f8d37da7433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.719875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103945/manifest.json
observed bafb4ab21fe7cc0e46d9d2a01a7ae131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.701856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103945/publication.md
observed 9da53517dde187fcd6e71e713e224d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:56.684690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103945/publication.txt
observed 7cd79b55773e475bb89a5b86fd16fc60...
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.