OpenTechnical

OT-2026-000011123

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000011123) never changes.

Identity and time

Publication numberOT-2026-000011123 · never reused
Internal UUID01a0ae6c-540f-7fff-b0d0-9a2a57834e38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011123
StatusPUBLIC

Content hashes

Canonical textfa2ac06f2e6d78d1068c61221696760cb2414aa1341b383ddb2f57e937266eaa
Markdown5c5f084cbe86dcde4e99d8a80695ccb8f8b71498b0e54a508ec54c1399b07927
PDF
Publication page06f2175326143c6512a96bc952997fb38a99832e1aa9bbd4d661c31b881bf52c
Manifest2c2dd090147f6ee3e0b269a66f9ca56842f80baee186d7392663c735e5281b02

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
SignatureI7HrUUhzFlfsBjdmoRgYDItfq9c43k9qfbKIaaksEYdk1mbxKAvIsa8vmgrVug8fp72bYYXM3QGbJZn+FxV6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:58.566585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011123
observed 06f2175326143c6512a96bc952997fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.547216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011123/manifest.json
observed 2c2dd090147f6ee3e0b269a66f9ca568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.517589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011123/publication.md
observed 5c5f084cbe86dcde4e99d8a80695ccb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:58.499334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011123/publication.txt
observed fa2ac06f2e6d78d1068c61221696760c...
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.