OpenTechnical

OT-2026-000080165

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000080165) never changes.

Identity and time

Publication numberOT-2026-000080165 · never reused
Internal UUID01a0ae96-7e76-7179-bf7c-583c26582e54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080165
StatusPUBLIC

Content hashes

Canonical textc3d398aa1795a29b926113f2a51118bc3f0d1106567d2abbc83cf473b497850e
Markdowna3b599441d23967fd08a6e805bbc029dfe68d6f61040fb70846370f848f991b0
PDF
Publication pagea3f88dd7152b508f91c6c5f4862e4e895dbf424f5d69b6f446455845337fd98c
Manifest98136e9be15101257ded2ef7a31845b9d0c80a5d6038052212d4c09f186c5c06

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
SignaturerE3BIapcv9EuR2iiUmLwCKpYbpVy8BDCTZzveAR1v20oCx5yOeaTao8lUI6i4u4UiVisjGYWwze3XgDmeRygAw==
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

2026-09-17T10:02:35.901396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080165
observed a3f88dd7152b508f91c6c5f4862e4e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.883704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080165/manifest.json
observed 98136e9be15101257ded2ef7a31845b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.866506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080165/publication.md
observed a3b599441d23967fd08a6e805bbc029d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:35.849120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080165/publication.txt
observed c3d398aa1795a29b926113f2a51118bc...
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.