OpenTechnical

OT-2026-000086248

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000086248) never changes.

Identity and time

Publication numberOT-2026-000086248 · never reused
Internal UUID01a0ae99-e82c-776b-98ab-e1f37b4bbac4 · 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-2026-000086248
StatusPUBLIC

Content hashes

Canonical text4767d9a77c12f7e4e6a2177e5d89b566c2b7856a2ec3858faf0667f70a8de03d
Markdownd6c219c657a85e49cc34042bf02f7c7b24095e1631df549507a33b7d9821d252
PDF
Publication page3f73e1d36d22c9fe6628dcb4eff024b6b5eb88da76a955c6c8f280a95bf1fa0f
Manifest606aacbaf86106e9853bd6e1a4741ba57c2ef629b9d742d0d84b65b1c42e912d

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
SignaturePsKyC5ETHhn3/O9rIQzqvkbk4ah9F9qb5Wd30dVt7hdu3VKARJfEo7wIJU1RjmMxJlAyLZKTk4/ZOvQBLGe0Dw==
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

2026-09-17T09:53:56.440726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086248
observed 3f73e1d36d22c9fe6628dcb4eff024b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.415295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086248/manifest.json
observed 606aacbaf86106e9853bd6e1a4741ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.312869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086248/publication.md
observed d6c219c657a85e49cc34042bf02f7c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:56.295863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086248/publication.txt
observed 4767d9a77c12f7e4e6a2177e5d89b566...
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.