OpenTechnical

OT-2026-000085200

Publication integrity record

Four 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-2026-000085200) never changes.

Identity and time

Publication numberOT-2026-000085200 · never reused
Internal UUID01a0ae99-43ba-716f-91f1-4fa9ab011d66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085200
StatusPUBLIC

Content hashes

Canonical textea4c6d0202295e2b773a3db60025bd9f38e02b301e05637c72345c37917eee7e
Markdown94a38487cd9d404981a5c2f905ab4882749e746c451a7f7093182c9e870310fe
PDF
Publication pagecc5a1ce7fa0a9617aabf6b18768295be5432ed16782442ef15ffbf19f06a1df3
Manifeste110fd56870f0ec14bb56f39589542be88a95eec23f0492e38bb6aff1acc6d22

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
SignaturedRZSw3oqmUI5F4wlBanlntCvtJeHdomJvPTIIKCRRT6G97mkOIcJAluB5nUMvxzsYKJN7VfVcDBflkPZbXvBAw==
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

2026-09-17T09:55:17.368882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085200
observed cc5a1ce7fa0a9617aabf6b18768295be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.350830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085200/manifest.json
observed e110fd56870f0ec14bb56f39589542be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.334072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085200/publication.md
observed 94a38487cd9d404981a5c2f905ab4882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.316491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085200/publication.txt
observed ea4c6d0202295e2b773a3db60025bd9f...
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.