OpenTechnical

OT-2026-000103494

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pulsed blow-off after 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-2026-000103494) never changes.

Identity and time

Publication numberOT-2026-000103494 · never reused
Internal UUID01a0aea4-e461-77ee-8d52-2e542d49a1f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103494
StatusPUBLIC

Content hashes

Canonical textc8bf783d29baacd066f8e93d6af7947132821ecfa8fffeccb2302793c1c1430e
Markdown6c7a14f6edfd88eec1e281f7e5ea29cbcb2175acab595ff3133a76a148571629
PDF
Publication page58985330cc3d8ae6cf9396b40a576b8184526da7c9ac5d1c87b3c095b64ba058
Manifeste434db3823e2bc913ca19703edf8ab2ba2ef619e3956834adf9c469aa04370b1

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
SignaturetsHHJYAesAR5aTpdaLly5O1Np9nYQLAaUnikXPPLSl0CyuN3vX3nsfoS8Z53RZgUa9gfM0Qg0t8nwt0tLAhXCg==
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

2026-09-17T09:22:15.521167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103494
observed 58985330cc3d8ae6cf9396b40a576b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.503598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103494/manifest.json
observed e434db3823e2bc913ca19703edf8ab2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.488353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103494/publication.md
observed 6c7a14f6edfd88eec1e281f7e5ea29cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.471487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103494/publication.txt
observed c8bf783d29baacd066f8e93d6af79471...
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.