OpenTechnical

OT-2026-000071628

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000071628) never changes.

Identity and time

Publication numberOT-2026-000071628 · never reused
Internal UUID01a0ae92-1e90-732a-921d-89f2832930c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071628
StatusPUBLIC

Content hashes

Canonical texte377a10e0e60f3d955bdda03b9ad76a7573da36bbc00c23c7512aa60251c9ec4
Markdowna65357cd7aaf056290f802c61838e308d9d11dc52ace82b39d72c660f534c49d
PDF
Publication page24049712ac7aaaa2a7572318e5a58218e8cdd65a3c4eaab153125f1b3aae2ede
Manifest0dcd02d7434d18ea9e119463547145ab1a6fe6c113651ebe5d4a5d399f468af0

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
Signatures4n6uVa0ypVyM1p5W3x+6NDw84Q7fKwmPkWxN3B+zvA8y0BvokAo9k0URQlKV/CG905jmmuoBh3P2H8UsCBYAg==
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

2026-09-17T10:23:39.726469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071628
observed 24049712ac7aaaa2a7572318e5a58218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.709798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071628/manifest.json
observed 0dcd02d7434d18ea9e119463547145ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.693936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071628/publication.md
observed a65357cd7aaf056290f802c61838e308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:39.677724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071628/publication.txt
observed e377a10e0e60f3d955bdda03b9ad76a7...
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.