OpenTechnical

OT-2026-000006456

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, contact triggered on the face, polyurethane 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-2026-000006456) never changes.

Identity and time

Publication numberOT-2026-000006456 · never reused
Internal UUID01a0a95b-dfc8-7857-9c7c-4c6365a35b2f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:05.708323Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006456
StatusPUBLIC

Content hashes

Canonical textb7925010d20fcad9ab6171d31770d416376c79c4985dbbddcac10124cb2d03b6
Markdownf6a9ba68df48f1a24596c38bc3529fbd788e9d98f5a26d176cbae9d753063ed8
PDF
Publication page09864eee626b6ea4d38fe16f034132b14d0cda2a96a86ac9278a8e1007914301
Manifest726f26ce9ea4f1eff72e4aadcbf654c505c3370a90f71ce8ec6cfafde2dbfaa9

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
Signature32Z1KD42ESLnLs0lwl/cxwuLhm4el5SJnNdMAR89YJ3l3l854qfqeQq+XWhLLmF38YRc8Bk4pPkxmSEvYylECQ==
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

2026-09-16T08:40:15.449286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006456
observed 09864eee626b6ea4d38fe16f034132b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.433780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006456/manifest.json
observed 726f26ce9ea4f1eff72e4aadcbf654c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.420566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006456/publication.md
observed f6a9ba68df48f1a24596c38bc3529fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:15.408378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006456/publication.txt
observed b7925010d20fcad9ab6171d31770d416...
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.