OpenTechnical

OT-2026-000005912

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, contact triggered, vented after 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-2026-000005912) never changes.

Identity and time

Publication numberOT-2026-000005912 · never reused
Internal UUID01a0a948-faa0-7c71-a2c3-8d9346022b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:15:27.394930Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005912
StatusPUBLIC

Content hashes

Canonical text1b128b841b8085a3c13656120e5962ebc53c4927971761d7d99dc05fcffdce45
Markdownb7737cba3faf8476a2fd0728296f02f5006944872c9b1709ad65d417e4b50b6c
PDF
Publication page2e8320e3a82d0e5b65c25ac93d28fbe66c02afe937d6b51fa0a586ee0aa88417
Manifestf7ba60f40efcf8b2a31e49e138b39ca9a6dc13db2b46340f8d8913fc96001e22

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
Signaturer9YixZgAt4CloGbdSXVWLThM5yy5ZlvvkOhYa2iIj/CnOfzTZTgy/Fad/DqSu8FDPZZgd8KNFYOhu3QCewP1AA==
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

2026-09-16T08:20:18.386745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005912
observed 2e8320e3a82d0e5b65c25ac93d28fbe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.373006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005912/manifest.json
observed f7ba60f40efcf8b2a31e49e138b39ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.243455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005912/publication.md
observed b7737cba3faf8476a2fd0728296f02f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:18.225422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005912/publication.txt
observed 1b128b841b8085a3c13656120e5962eb...
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.