OpenTechnical

OT-2026-000086815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000086815) never changes.

Identity and time

Publication numberOT-2026-000086815 · never reused
Internal UUID01a0ae9a-80a4-75f8-9fa4-79961d58e214 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086815
StatusPUBLIC

Content hashes

Canonical text8973f058fe88de34160978c7298e8fe95572149cd84f80356a2fc83e2c88e507
Markdownc7d3943d67413afe1d327b8fc6e4c71f0f84f63fb200e8cefe3c4a77eefcfbf5
PDF
Publication pagedb1a3c4369c513d7cb47315ead440862d2c813b6f4da924d631d6aaea0a1b8b7
Manifest864f37ab80f9fd7494943d50b8caeeca39b3f70ff8dbc42e6efb4e9cd2e3bdd2

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
SignaturebIw2V0cVcPOmalQQQBxo1vzw9TIyeyjhCI4kOuQ7O5X2Vpgo3veEjunRLvM88SyFjGEe+8yvhivkMWdULtD3Ag==
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

2026-09-17T09:51:38.257936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086815
observed db1a3c4369c513d7cb47315ead440862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.240449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086815/manifest.json
observed 864f37ab80f9fd7494943d50b8caeeca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.221021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086815/publication.md
observed c7d3943d67413afe1d327b8fc6e4c71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:38.204491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086815/publication.txt
observed 8973f058fe88de34160978c7298e8fe9...
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.