OpenTechnical

OT-2026-000006328

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, sustained blow off after set down, rubber cups

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-2026-000006328) never changes.

Identity and time

Publication numberOT-2026-000006328 · never reused
Internal UUID01a0a957-2cb0-7310-b236-2624ccb08bd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:30:57.716487Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006328
StatusPUBLIC

Content hashes

Canonical textf50491dc1a532e914397f08e872239a056ba9e971fbae4d167ae619559562376
Markdown2a37ef767d4518b55b1533465a8d7d478e9a0d6f3b0b15be5ce8cc54b17724a8
PDF
Publication page157c2af415e745ee016bb122e02a42771167a4145c03ef9606a41af5e1c64bd5
Manifestaedc264c420259bc1ce6532c33c42f9fb064f8608385e897cd1513639e6752c8

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
Signature44lwyDuHuZr8N9yO+ExJZh/90QyiU3ZgOTQfAk45rFXH7UFIRGH++e4BOSdNfQjFXHuiyM4RHGTawOdv+Z2+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:30.913298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006328
observed 157c2af415e745ee016bb122e02a4277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.896993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006328/manifest.json
observed aedc264c420259bc1ce6532c33c42f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.882819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006328/publication.md
observed 2a37ef767d4518b55b1533465a8d7d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.747614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006328/publication.txt
observed f50491dc1a532e914397f08e872239a0...
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.