OpenTechnical

OT-2026-000082169

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000082169) never changes.

Identity and time

Publication numberOT-2026-000082169 · never reused
Internal UUID01a0ae97-4d93-7664-8a31-5ec958302f0a · 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-2026-000082169
StatusPUBLIC

Content hashes

Canonical textd36e68758315eb1c686e3a1a8efccdad2743b407133c9544ab90b4f479830d1e
Markdowndfce9f55c3c3674ced4cca8d594166c2ef90b50c28d1478f05daedd9da98c10b
PDF
Publication pagee062c915ebc73131cd12d102c5c60d087035263a549fdb8c3cac8bab4feba03f
Manifestfc9891f85e4f4548be46fb1063123ea5abfbda63371484f18bf6d15171c2dfc7

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
Signature1aFIdYIjrtzjWF5pivmnGqFhi3oRyYgzroG5g3cbIdWNAd1gWFq+mIeg2eZ2r33c/u3z4GQGcs4MnuvqHdt+Aw==
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

2026-09-17T09:58:59.638854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082169
observed e062c915ebc73131cd12d102c5c60d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.621586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082169/manifest.json
observed fc9891f85e4f4548be46fb1063123ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.603983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082169/publication.md
observed dfce9f55c3c3674ced4cca8d594166c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:59.586476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082169/publication.txt
observed d36e68758315eb1c686e3a1a8efccdad...
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.