OpenTechnical

OT-2026-000083241

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, 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-2026-000083241) never changes.

Identity and time

Publication numberOT-2026-000083241 · never reused
Internal UUID01a0ae97-c963-77ef-9e0c-acf8dae3bef7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083241
StatusPUBLIC

Content hashes

Canonical text374e1dbe7bfea011d886ae3a79ddd2cd6fc55363569bee8ac30bab9796eec519
Markdown1d6ba39519d2811c2253f805c8a19aa8457ed29f47b87c8edde448c54f1a8dd4
PDF
Publication page3289217055c63c7e47e1c33b9e53c96aadad327c9593ae547c2ed6042852ce49
Manifest260d84ab394fe4945141b7a8f9cc5e99c541f2e01a20eb094424b86ce3dea356

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
Signaturevh9DWR7n7SkSpZYaFr7PJK3KEb7y3mNqs3DlatRV0AyQbhUqvBSAMDWvxBxoV04fmv9710OE0GsdTkPIuSMCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:01:13.569217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083241
observed 3289217055c63c7e47e1c33b9e53c96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.425355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083241/manifest.json
observed 260d84ab394fe4945141b7a8f9cc5e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.406891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083241/publication.md
observed 1d6ba39519d2811c2253f805c8a19aa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:13.388202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083241/publication.txt
observed 374e1dbe7bfea011d886ae3a79ddd2cd...
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.