OpenTechnical

OT-2026-000071092

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000071092) never changes.

Identity and time

Publication numberOT-2026-000071092 · never reused
Internal UUID01a0ae91-8c2f-7f5e-bad8-1258290b17d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071092
StatusPUBLIC

Content hashes

Canonical textcd7dee1aa932026fb8e22b7dabf4dae521f50dfecce19e1ecd74f2090c3ba2db
Markdown1ce80db382e1de881438fa7dd3bc3413643a3c2ce332a9cdfd686112e3198aa5
PDF
Publication page28513db88d4450b8eefdbee963ad0bc8a9b6fd4fab68346e053c3593b3e5480f
Manifest79e2762f6b4176ed4eb9e1445d34147efa4b8e2103ae44eb828530c171fd049c

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
Signaturebg2BxKuo8iJq2yx4YNYAyMnw54HSN9PIIpYnua5zBdbmGbgdOolf5H/z40LqEoRKQaKpzNsp248Gv00C+NHOAQ==
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

2026-09-17T10:25:57.297613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071092
observed 28513db88d4450b8eefdbee963ad0bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.283064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071092/manifest.json
observed 79e2762f6b4176ed4eb9e1445d34147e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.268370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071092/publication.md
observed 1ce80db382e1de881438fa7dd3bc3413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.253592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071092/publication.txt
observed cd7dee1aa932026fb8e22b7dabf4dae5...
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.