OpenTechnical

OT-2026-000017193

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000017193) never changes.

Identity and time

Publication numberOT-2026-000017193 · never reused
Internal UUID01a0ae6e-76c7-7428-a6c5-e18bf99e30b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017193
StatusPUBLIC

Content hashes

Canonical text92bfff730bcaff8b308fab3bcc8dbab6bd899733ebb6c30893940ff0a3122a3a
Markdownbfc31138cb8b057bbb0758a788d6082c7bf6da2dc3f0925a91e48459d783d4c1
PDF
Publication page8486f73c974c6ad56904e3894f0deeb5de11d17781fc9603e2dcc0d9aa030cb1
Manifest3cde35193bf0ebb0faee37ce2eab5624c1a3dc382c60578ede61b9ab35d032a7

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
SignatureCGFIHMWykD0PJIOyzg6cLxkzKdwQN52mXFDSjY2iJp+UQcSB1VlFsaTjs9iIkFKZZNl0fC2EaDBVPMQ4YN/QAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:15.903065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017193
observed 8486f73c974c6ad56904e3894f0deeb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.885965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017193/manifest.json
observed 3cde35193bf0ebb0faee37ce2eab5624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.869511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017193/publication.md
observed bfc31138cb8b057bbb0758a788d6082c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.851015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017193/publication.txt
observed 92bfff730bcaff8b308fab3bcc8dbab6...
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.