OpenTechnical

OT-2026-000006805

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, pump fed, contact triggered, vented before 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-2026-000006805) never changes.

Identity and time

Publication numberOT-2026-000006805 · never reused
Internal UUID01a0a967-fd17-7d47-be80-b15dc66bc3f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:19.642365Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006805
StatusPUBLIC

Content hashes

Canonical text516f906db68e8e619df4a0b3735f368413db692bd641290eb232b6d04cd328dd
Markdown553c0fdf3617e241297a674ffab3d469d149284510e89bdc77da63b0f6ec17ff
PDF
Publication page5644f62a66263b0e22d41dba6961e016cde902fc98f610d859666c2aa3b3368b
Manifest5a495f5a93d918fe0540245dc0844e564a5773069ec3729b9401e0c37c1b48b7

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
Signaturey0SAfNgcxQZoi2n6U0UaF7L30f7FVO04xZOrjmi96Eg0YqdXmaPX+olpu9exabCBUJNMDD7xcPvG3JvPGLjzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:04.416571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006805
observed 5644f62a66263b0e22d41dba6961e016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.401124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006805/manifest.json
observed 5a495f5a93d918fe0540245dc0844e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.387012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006805/publication.md
observed 553c0fdf3617e241297a674ffab3d469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:04.250021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006805/publication.txt
observed 516f906db68e8e619df4a0b3735f3684...
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.