OpenTechnical

OT-2026-000086348

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000086348) never changes.

Identity and time

Publication numberOT-2026-000086348 · never reused
Internal UUID01a0ae9a-2c96-7f19-80d9-f3f69a80aae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086348
StatusPUBLIC

Content hashes

Canonical textf92b4c7cfb0c64fc8e8d5f969199520f0c4e0b8d45b5d50ac5a028883a566095
Markdownf7e2317c380190220552a7f6a6c54e42b1f6226da2958a6f02b4bfbcc12a57fe
PDF
Publication page7ba749ee22af595978a666903407c62030df3ab16118bf22c9a4be6a4e8d3c14
Manifest0e5bbd52a107f1160917833c3eeef4fc397f4b8ab3711e093aa92b15e1dddc0c

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
SignatureiWzFx2oUDcGfPUuwKUXURex03ta7NBvMQkMDfwyLKO0KB55sgTISOIANDl888hMqknQObC7P8Ig5uj9f9SsKDg==
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

2026-09-17T09:52:02.513775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086348
observed 7ba749ee22af595978a666903407c620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.494255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086348/manifest.json
observed 0e5bbd52a107f1160917833c3eeef4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.473736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086348/publication.md
observed f7e2317c380190220552a7f6a6c54e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.455592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086348/publication.txt
observed f92b4c7cfb0c64fc8e8d5f969199520f...
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.