OpenTechnical

OT-2026-000068240

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068240) never changes.

Identity and time

Publication numberOT-2026-000068240 · never reused
Internal UUID01a0ae90-247f-7d8b-a192-c55ee336ee9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068240
StatusPUBLIC

Content hashes

Canonical text379f8fcc12172d3be76cb76808fa6fd2eb36148a1535306ac0e2eef6ebfcc0d6
Markdown2388a4ff0edced181dba67ad70393d36b2b5474db44ef62cdffd58b6a0afb055
PDF
Publication page5f8ef9869e94098c62a5aebdb6006f8b203c77f106b953da77d068564d9d29dd
Manifest9e0fd783c4e6468b0c465987bbbf4fb104d2e5c29cd080fa06811c3c3386ba97

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
Signaturek4VjptVDMF+UrTIwtAUfm8sKBY76u+iJm8SX+X/SzXXmqSFZ188RsQTLNnUFqyBfZsJdN2J8kgre0hyZ89K/DQ==
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

2026-09-17T10:29:15.510664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068240
observed 5f8ef9869e94098c62a5aebdb6006f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.492378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068240/manifest.json
observed 9e0fd783c4e6468b0c465987bbbf4fb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.475349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068240/publication.md
observed 2388a4ff0edced181dba67ad70393d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.458584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068240/publication.txt
observed 379f8fcc12172d3be76cb76808fa6fd2...
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.