OpenTechnical

OT-2026-000103952

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed blow-off after set-down

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-2026-000103952) never changes.

Identity and time

Publication numberOT-2026-000103952 · never reused
Internal UUID01a0aea5-15e8-76c5-8205-2ce09342f5e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103952
StatusPUBLIC

Content hashes

Canonical text28b774ef395cef6bcef2ba13240e046428d4ecdd7210f35b89e48e4986f0d39d
Markdown8a05eca58b7e648ab28722659d66510a60740737b9716360ec388cd7c1a54448
PDF
Publication pageec3cfdc2052ffc232192e2fabb1a66716069b0a794962b433c44d9a96e25a994
Manifest9a87b222b86ef4a6da64ce561100a5f76be306b6b15472da16aa5ebd0a99b3a6

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
Signaturedb2F0KnsF03lkZuololsIBdQurhkm8SCEJyLHmM9UL69+WlrhisYS1+ylT/lGJWHkNbvuyR0rTyWMqJaQboHCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:57.238152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103952
observed ec3cfdc2052ffc232192e2fabb1a6671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.221210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103952/manifest.json
observed 9a87b222b86ef4a6da64ce561100a5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.204269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103952/publication.md
observed 8a05eca58b7e648ab28722659d66510a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:57.187245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103952/publication.txt
observed 28b774ef395cef6bcef2ba13240e0464...
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.