OpenTechnical

OT-2026-000104409

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000104409) never changes.

Identity and time

Publication numberOT-2026-000104409 · never reused
Internal UUID01a0aea5-3421-7905-a7ad-8b7f000fff24 · 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-2026-000104409
StatusPUBLIC

Content hashes

Canonical texte1e1a2f38934c1c1ace30abe9029b0f99b164b1ca47a5bfa16374b91d568652f
Markdownbf3f61c59747b2282ba3598c98dad0e02902350f882a5a98b472bd7bd9694412
PDF
Publication page8c57db0f203b09b3ef033b8563ed3f4032567bb2fb5353294ed58b297e80e083
Manifest8db9157ba710d0b27a2e163e955ede2df5c7206f6ee638d585fbf32c9574f348

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
SignatureCZpSgYB4Txaaq9UVBlbMpr4WFJNRQfpovw4oLJrT0VvKX+KJbmEYn3TSlKmKnwADXFyAwxFqyO4IWAbwlJPDDA==
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

2026-09-17T09:21:40.812845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104409
observed 8c57db0f203b09b3ef033b8563ed3f40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.796010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104409/manifest.json
observed 8db9157ba710d0b27a2e163e955ede2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.778880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104409/publication.md
observed bf3f61c59747b2282ba3598c98dad0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:40.762593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104409/publication.txt
observed e1e1a2f38934c1c1ace30abe9029b0f9...
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.