OpenTechnical

OT-2026-000006279

Publication integrity record

Vacuum cup gripper, two stage ejector, contact triggered, pulsed blow off before 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-2026-000006279) never changes.

Identity and time

Publication numberOT-2026-000006279 · never reused
Internal UUID01a0a955-5acb-7017-9ff4-55d70bf3439a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:58.446319Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006279
StatusPUBLIC

Content hashes

Canonical text58b401b327dd1ed83c331f97fbda9cdc66669beab589b9846fee6dde15738118
Markdowncd5149e280aca3edf9f4b33d68d13db52babed10304247ec3d8ea92b100a6b50
PDF
Publication pageca49b1d8506bf8fc209472d027bf1d7bad97ef756413a1a45c9751aea2132668
Manifest7f901e3ef9f5d3fefbbbddf4e6a3ab692fec753dbc63322f6cc23e3fb2f56b0e

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
SignaturesS6r/cbR2G1yNVWIbbPTOzQBAwMS2dHEezz2jS7+i7zG5z/yt1K+ctlS3fJxCRRUOwKr0GcqdPtb0gXrVOQwCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:06.430234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006279
observed ca49b1d8506bf8fc209472d027bf1d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.416495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006279/manifest.json
observed 7f901e3ef9f5d3fefbbbddf4e6a3ab69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.403005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006279/publication.md
observed cd5149e280aca3edf9f4b33d68d13db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.389230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006279/publication.txt
observed 58b401b327dd1ed83c331f97fbda9cdc...
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.