OpenTechnical

OT-2026-000069416

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069416) never changes.

Identity and time

Publication numberOT-2026-000069416 · never reused
Internal UUID01a0ae90-b52a-7834-8cd4-14d1823d52bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069416
StatusPUBLIC

Content hashes

Canonical text4182bd418c399406a31cbfd4b0c6ef811ca5a6c251a1f71f1208cae2e83a9f6a
Markdown9bd33782fb44667d90270dff3a546824bdb8e3093a989581115e41992efc7b28
PDF
Publication page8d870bd6878ebe556e3b78b448e1d92eb2dc03faac70e0d445ecc3b499e1a836
Manifest0592cefcc1b9081ca054d14b23695cdc48cd4ade08fa351682944e18cdbee203

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
Signature2ZUmQRfwYV0OinSVxo4QU2WvkNVw4/c4gWqlZ1WgeuniU0HJF/3o93ntLwTwfoMw2VoE/fjs+UuhwtqpzE6oAA==
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

2026-09-17T10:30:20.955720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416
observed 8d870bd6878ebe556e3b78b448e1d92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.937993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/manifest.json
observed 0592cefcc1b9081ca054d14b23695cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.919473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/publication.md
observed 9bd33782fb44667d90270dff3a546824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.898441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/publication.txt
observed 4182bd418c399406a31cbfd4b0c6ef81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.184953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416
observed 8d870bd6878ebe556e3b78b448e1d92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.166818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/manifest.json
observed 0592cefcc1b9081ca054d14b23695cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.148409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/publication.md
observed 9bd33782fb44667d90270dff3a546824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.130190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069416/publication.txt
observed 4182bd418c399406a31cbfd4b0c6ef81...
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.