OpenTechnical

OT-2026-000070197

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000070197) never changes.

Identity and time

Publication numberOT-2026-000070197 · never reused
Internal UUID01a0ae91-1862-7c19-ad89-32bc9bf4e284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070197
StatusPUBLIC

Content hashes

Canonical text3f3f180cc04a168c8c82b10e4ae44a686a00bfb3ed171a6ac9f0e92a26f867fb
Markdown6ae82f1e7f11d59f3101ed0068f0bbd112ad4a56a94a0920c359598f5f1f2a53
PDF
Publication page9ba4f09ca37082a051ecd6edb4751f930f1854e081c7990928d770b9609250cc
Manifest76c3565181cf6ee5310eacd6cf1555036d77b29963dc113e9df14f095dc29b31

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
SignatureZLYgv1nOTCkTTjy+WCRmCxNlaGaErvTW42bkxcJ33NzMGpQAgOMNHVAs2S6PoF/pyFedlkJi+VK/0i3w4qg1Aw==
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

2026-09-17T10:27:15.135903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070197
observed 9ba4f09ca37082a051ecd6edb4751f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.118383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070197/manifest.json
observed 76c3565181cf6ee5310eacd6cf155503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.101037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070197/publication.md
observed 6ae82f1e7f11d59f3101ed0068f0bbd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:15.084427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070197/publication.txt
observed 3f3f180cc04a168c8c82b10e4ae44a68...
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.