OpenTechnical

OT-2026-000083229

Publication integrity record

Two bellows cup 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-2026-000083229) never changes.

Identity and time

Publication numberOT-2026-000083229 · never reused
Internal UUID01a0ae97-c963-7d8d-be59-93079fd420e0 · 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-2026-000083229
StatusPUBLIC

Content hashes

Canonical text6641cd29cf0d7d63ae75a30b4b5be49965b200caad5e1e6721d23122f98c2d1c
Markdown8a6ef0b741487bead33edb21c2ee1beef10c72370bf611221f2828eb1e8d2095
PDF
Publication page702abe49a8d3803bfbe70971682c031e82188e71b06fba1e31c4d62a57b82440
Manifest3805d506df081834923d7ec3a97c8b9ff22e3f209357c7885544b986cdb38374

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
SignatureZCLUJBz90Kc9GnEtC67IlgbuhLzOlhXWSvzJrsD14xWWAVxE+7yD5U/rCF2BdvNj8wUrQmOIbawKDSR32Tj6Ag==
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

2026-09-17T09:01:10.820020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083229
observed 702abe49a8d3803bfbe70971682c031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.425401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083229/manifest.json
observed 3805d506df081834923d7ec3a97c8b9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.406948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083229/publication.md
observed 8a6ef0b741487bead33edb21c2ee1bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:10.388459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083229/publication.txt
observed 6641cd29cf0d7d63ae75a30b4b5be499...
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.