OpenTechnical

OT-2026-000079737

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, sustained blow-off before 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-2026-000079737) never changes.

Identity and time

Publication numberOT-2026-000079737 · never reused
Internal UUID01a0ae96-4375-7687-84f8-d6d90e6669bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079737
StatusPUBLIC

Content hashes

Canonical text68b15fa967765ce82a611a66aa807612904b61d8e2c4e6d72907c128df9e70ae
Markdowna685c4e127fdffb82dee414fed2bb60924f1f44f46e245d48870286fc31facd9
PDF
Publication page80f1f7b3cce81afe0fd429c1cbfae20268c5d58a2a043c970c4dc1fb5889520b
Manifest2b86eeccf52c6c9d8f1b1c834f729329155448238cde205355dc9bcded254be7

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
SignaturehBA4YqJJloZ+HyVGzyzIzQeZcVIbrYhMb3NW9ZNRzEnma4CaGumGXsvf6z/FDtTYXyRZJ3uEkaSfsTMviCiWBw==
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

2026-09-17T10:03:22.739432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079737
observed 80f1f7b3cce81afe0fd429c1cbfae202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:22.721827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079737/manifest.json
observed 2b86eeccf52c6c9d8f1b1c834f729329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:22.638763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079737/publication.md
observed a685c4e127fdffb82dee414fed2bb609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:22.537185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079737/publication.txt
observed 68b15fa967765ce82a611a66aa807612...
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.