OpenTechnical

OT-2026-000075156

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075156) never changes.

Identity and time

Publication numberOT-2026-000075156 · never reused
Internal UUID01a0ae93-f1ff-7f07-8235-3c30b6f1af84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075156
StatusPUBLIC

Content hashes

Canonical texte1c6d8cab305f29c949211df0233a44f99fc2f93a7ca8b24736b165ef7e8af1c
Markdowne77941fbc7ee00d39a0094c4e34884b7f8050179f786a6fc1cfa67b34a3cd9cb
PDF
Publication page1e5340bc955f1c39411fa0a0d898606eac375bc61a38a10af5425aa7dc64e8fd
Manifest7e789ea668d82c2ebfc398d8b957c87e901febbcc58bb321639da91cf4a9a461

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
Signaturel4ved7pK4MKHZQaWU/O8uNLPAvqdWgbLTbxFda5gdgroO7iLhL0psYNiW4COymO211GIARaDmBOWgiuMBZJBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:23.743292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156
observed 1e5340bc955f1c39411fa0a0d898606e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.727916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/manifest.json
observed 7e789ea668d82c2ebfc398d8b957c87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.709991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/publication.md
observed e77941fbc7ee00d39a0094c4e34884b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.682595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/publication.txt
observed e1c6d8cab305f29c949211df0233a44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.226668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156
observed 1e5340bc955f1c39411fa0a0d898606e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.206961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/manifest.json
observed 7e789ea668d82c2ebfc398d8b957c87e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.016624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/publication.md
observed e77941fbc7ee00d39a0094c4e34884b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.997296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075156/publication.txt
observed e1c6d8cab305f29c949211df0233a44f...
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.