OpenTechnical

OT-2026-000099201

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099201) never changes.

Identity and time

Publication numberOT-2026-000099201 · never reused
Internal UUID01a0aea2-8288-79ac-8251-6d319a818694 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099201
StatusPUBLIC

Content hashes

Canonical textfdf2bcc7c3e607a6123db178090632a776f22efae230f3ae71c5a0738ecc9947
Markdown1dab6b0894e195adef5ba8531249a0fca8e4a9d4fc4203a88412ff641b4ad5d6
PDF
Publication pagec9d370ccf8525ade4a2464fc1c87cf07ae51b59edaadaecf9945480852e560b7
Manifest7df1c76bc1732d664381d7a1d70d5ee8edad9538da6c1d403b44cda3582e8fdd

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
Signature+oe1KmhBzSjbfufKeYlhWtq38Y+luwP/YGgh6zq+oiJoGmFBQUof1JAybIdGyxY18sbfqfK8/057u23YLsr9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:35.549991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099201
observed c9d370ccf8525ade4a2464fc1c87cf07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.531999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099201/manifest.json
observed 7df1c76bc1732d664381d7a1d70d5ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.512960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099201/publication.md
observed 1dab6b0894e195adef5ba8531249a0fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.475123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099201/publication.txt
observed fdf2bcc7c3e607a6123db178090632a7...
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.