OpenTechnical

OT-2026-000006193

Publication integrity record

Porous face vacuum gripper, four outlet manifold, pump fed, vented before set down, closed cell

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-2026-000006193) never changes.

Identity and time

Publication numberOT-2026-000006193 · never reused
Internal UUID01a0a952-7f50-7ee2-ad88-8f1719badcb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:51.186802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006193
StatusPUBLIC

Content hashes

Canonical text26358f25f986096b76184d75a16492f4e85dc938b07b6159194d04dc442f929d
Markdown9f6ee7833dc8fa0d24e40322528f41a9ae07cb7f0d6e99c5b23c0b4da8e0635b
PDF
Publication page79f1643516d37247565b77a69ad434910373a349c2025cb6bf42abaf57759fc2
Manifest03577871d792f6dc7b3c9f43f50128a3f0a5d43c5ea8ebbe020571a560792830

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
Signature0LDTEkcabW5t/2irSmiNcnA/BB2gzlmU9ccS8pg154pcRMbxF+FsHMQ70kha2zR4CL+/6yoGrvNTT8JfIlGiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:16.689561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006193
observed 79f1643516d37247565b77a69ad43491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.676354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006193/manifest.json
observed 03577871d792f6dc7b3c9f43f50128a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.663501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006193/publication.md
observed 9f6ee7833dc8fa0d24e40322528f41a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:16.650910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006193/publication.txt
observed 26358f25f986096b76184d75a16492f4...
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.