OpenTechnical

OT-2026-000087268

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087268) never changes.

Identity and time

Publication numberOT-2026-000087268 · never reused
Internal UUID01a0ae9a-cd4e-7ab8-8663-0ff33bf7e7dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087268
StatusPUBLIC

Content hashes

Canonical text985ce468d42f3802f3177a10c80000ff9a319ccabd6242983c2d7b60cd2004d3
Markdowneadc59618670eefd52ede3b1fc00279252b4ef524116d6fda176f0665384ba7f
PDF
Publication pagec52a1097eb2103bd4c27bda83ce225a6f8758c9e59674aeda289e28c0da401da
Manifest5ddac37812002331b3407b02a5ac9dd7a87dd903a53defc529915651a9d460f3

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
SignatureWg1uSz7vs49u6yy+IO5H9FcqT6AGUvRyaGKBGk47I5vpb1PB+ZQVk5EFv85IHHDv5zM9N+exscrFV26sxdbAAw==
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

2026-09-17T09:50:23.337228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268
observed c52a1097eb2103bd4c27bda83ce225a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.319102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/manifest.json
observed 5ddac37812002331b3407b02a5ac9dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.296002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268
observed c52a1097eb2103bd4c27bda83ce225a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.294898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/publication.md
observed eadc59618670eefd52ede3b1fc002792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.274337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/manifest.json
observed 5ddac37812002331b3407b02a5ac9dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.273266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/publication.txt
observed 985ce468d42f3802f3177a10c80000ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.256170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/publication.md
observed eadc59618670eefd52ede3b1fc002792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:23.229831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087268/publication.txt
observed 985ce468d42f3802f3177a10c80000ff...
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.