OpenTechnical

OT-2026-000007372

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, sustained blow off 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-2026-000007372) never changes.

Identity and time

Publication numberOT-2026-000007372 · never reused
Internal UUID01a0a97c-72af-74cc-aaac-a02fd44fdeea · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:11:40.466083Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007372
StatusPUBLIC

Content hashes

Canonical text83e16d5448290ae73f57a6ed6c21d899ba7262e79db6cfeb86a4a42bccaf93fc
Markdown476a0f079a2d269e9e7535d3c88c006294e977f935da4839866c0a678c43151e
PDF
Publication page3e58e5573f84d30983749ac0d2b78791fae137d5155f6e0f3501e6e27daf2bbe
Manifest3622d14dfa95048b50c5c449cd16c47992d71c98e515a78f07ed85fb33795e66

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
SignatureoYZsLcXQg9fPRX6tjSVNo3Uh9zO9TkD4D8XyClWni/tV3TZZsAhKTjXbI4zH0vbIgs657OLbk+o1QMmZz7/rDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:09.065665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007372
observed 3e58e5573f84d30983749ac0d2b78791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.052980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007372/manifest.json
observed 3622d14dfa95048b50c5c449cd16c479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.040321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007372/publication.md
observed 476a0f079a2d269e9e7535d3c88c0062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:09.025357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007372/publication.txt
observed 83e16d5448290ae73f57a6ed6c21d899...
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.