OpenTechnical

OT-2026-000086039

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000086039) never changes.

Identity and time

Publication numberOT-2026-000086039 · never reused
Internal UUID01a0ae99-e82b-7687-a3a2-1a7103d1ba18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086039
StatusPUBLIC

Content hashes

Canonical text0390eefdb13b4a226e61eed52a5eb682c96d1d267dfc25550eaa9a85df7790c4
Markdown565bfd05ec4270696bfcb5cab6e27d7891b697b081425a65762d867d9b83a40f
PDF
Publication pagef6e00949c23147ee69a1263ee5bf6b1cd4584978d19c23e09d37ffe8eea81e91
Manifest4d2fe82910a3dfa8344bcc3f6ddbdca4a4aac61dc3ff9e5a72c0b1542ee80b02

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
SignaturegzwPueXt2G8V/0LTks5Knxo4qkdaRmSH/F03dvDvYFKqTsJHH8TOm+E/9ZfQaqH7hOmtRoC+OUaBcegHTq1UAA==
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

2026-09-17T09:53:01.894133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086039
observed f6e00949c23147ee69a1263ee5bf6b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.876201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086039/manifest.json
observed 4d2fe82910a3dfa8344bcc3f6ddbdca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.857735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086039/publication.md
observed 565bfd05ec4270696bfcb5cab6e27d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:01.840983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086039/publication.txt
observed 0390eefdb13b4a226e61eed52a5eb682...
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.