OpenTechnical

OT-2026-000082311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000082311) never changes.

Identity and time

Publication numberOT-2026-000082311 · never reused
Internal UUID01a0ae97-4d95-73f5-bf55-66ef7e11dc2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082311
StatusPUBLIC

Content hashes

Canonical text237d71099a42cc1d38aa1625838e47828ee46b89b79d907760196364a2a0a34f
Markdownbba66a23edb5a5517f3279341bcf82d5a50a6a1c7719cb6285f107388b5489d3
PDF
Publication page6432e5e1f155f5a283ce0a0848d20f0c0766b4d728656cdd528ec17cc80d8b12
Manifestbd5dd8ebcd20ce4b6931cd68dcbbaa6efd59ddbb512586354a79a254c4bf28ac

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
Signaturez7Sz5ptm7WT6EFqKzP0L4RroE38ePcdkuNWF2393g09aVyeOlP5MPLcBRw9m/aGbtqaIHk5xrmmJDjqxrOURBw==
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

2026-09-17T09:59:10.532577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082311
observed 6432e5e1f155f5a283ce0a0848d20f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:10.516056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082311/manifest.json
observed bd5dd8ebcd20ce4b6931cd68dcbbaa6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:10.499417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082311/publication.md
observed bba66a23edb5a5517f3279341bcf82d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:10.481272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082311/publication.txt
observed 237d71099a42cc1d38aa1625838e4782...
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.