OpenTechnical

OT-2026-000005329

Publication integrity record

Bellows cup vacuum gripper, ejector fed, contact triggered, sustained blow off before set down

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-2026-000005329) never changes.

Identity and time

Publication numberOT-2026-000005329 · never reused
Internal UUID01a0a935-9ef3-7884-82ca-356264074d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:18.742092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005329
StatusPUBLIC

Content hashes

Canonical textcf21e5fd7ccce48bb0b11f23906c475def47da44266782049ab57047850cbd89
Markdown67cac4e22f2374050cb74f3c0a77acfa3b6ca634903d0978e4e4ab180c27ca0d
PDF
Publication page3b51cff39449f22ca2e21b376c4eb943ab90c42af24938602b9ccc0a50baf56a
Manifest28516a86011c2092f706a384e71b640529f8fece5d6f7f3e34820096221b0b90

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
SignatureunRj4OD1UPhivwqp7Azt5Xlr9aANbDj9IAlt8QiQXwgOAWWOkXdXxXsqlW0bJnYtxo3YXrG9ixC4uavQ+SYrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:21.959777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005329
observed 3b51cff39449f22ca2e21b376c4eb943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.946375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005329/manifest.json
observed 28516a86011c2092f706a384e71b6405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.931293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005329/publication.md
observed 67cac4e22f2374050cb74f3c0a77acfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.917084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005329/publication.txt
observed cf21e5fd7ccce48bb0b11f23906c475d...
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.