OpenTechnical

OT-2026-000088077

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000088077) never changes.

Identity and time

Publication numberOT-2026-000088077 · never reused
Internal UUID01a0ae9b-1aa7-7ae7-a42e-43edced23760 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088077
StatusPUBLIC

Content hashes

Canonical textd727c9658464041e1bce98ed0709cfdcb5ac47d28cfe3265c036f3e5e51bce25
Markdown991beb4b979de9fb0ae9d88a812a8329929592060415a162e03738109740c4f8
PDF
Publication page2791f3bbf90a269c009161c87c9092c9806aed6d1ff20105525a5d8630b041d3
Manifest91be8aecd072b4d6fa012a77446275bb487bb25cc498a132e0d26e217fd962bf

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
Signaturedszf6qmPDwyCuHniRwMDFqYViD2YbZGMqZNRzAqCj7EWheyEUrqb+JtdQvbxatuebVpcizf1tAhg53TyAIkECg==
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

2026-09-17T09:50:04.700042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077
observed 2791f3bbf90a269c009161c87c9092c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.682176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/manifest.json
observed 91be8aecd072b4d6fa012a77446275bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.665857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/publication.md
observed 991beb4b979de9fb0ae9d88a812a8329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.646863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/publication.txt
observed d727c9658464041e1bce98ed0709cfdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.881574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077
observed 2791f3bbf90a269c009161c87c9092c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.860943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/manifest.json
observed 91be8aecd072b4d6fa012a77446275bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.839785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/publication.md
observed 991beb4b979de9fb0ae9d88a812a8329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:03.820556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088077/publication.txt
observed d727c9658464041e1bce98ed0709cfdc...
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.