OpenTechnical

OT-2026-000007149

Publication integrity record

Bellows cup vacuum gripper, two zone face, ejector fed, pulsed blow off 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-2026-000007149) never changes.

Identity and time

Publication numberOT-2026-000007149 · never reused
Internal UUID01a0a974-69d0-7290-aa54-632f8053a1c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:53.906692Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007149
StatusPUBLIC

Content hashes

Canonical text37e0b166414707854c093df9fad14e44cce5adfdf7c589ca6d5545e91ef9f46b
Markdown3340d7a4b3492033261bad3604351105b87e6f5211b8965ae6f85f1e8ceb31b2
PDF
Publication page52da2e4605dc6163d636d3f838b50f82b276d87f7c9f1cc3a76096f230436444
Manifest38fe307d6de128c3d6329c40cf677b22112084cc8ab2b0ef5309c71028d46658

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
SignatureWQLXqPIKm4GrGNBx/HZ/Pb4ks5qQHCBiFSWC+JgOqg7x4mQz8yo8xIVvUq+njE4ObEOYkYqnT8h7NZcsOln9DQ==
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

2026-09-16T09:10:21.735188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007149
observed 52da2e4605dc6163d636d3f838b50f82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.723055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007149/manifest.json
observed 38fe307d6de128c3d6329c40cf677b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.709267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007149/publication.md
observed 3340d7a4b3492033261bad3604351105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:21.695085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007149/publication.txt
observed 37e0b166414707854c093df9fad14e44...
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.