OpenTechnical

OT-2026-000044193

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044193) never changes.

Identity and time

Publication numberOT-2026-000044193 · never reused
Internal UUID01a0ae7b-d67b-7f72-ac7c-3baf9962fa7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044193
StatusPUBLIC

Content hashes

Canonical text1e6c3b508ddb7959ba54207dabc32d205e48d4e16179ddaec70f48f28d41c17b
Markdown548c69b6fa04b6178dcd5b800340ec563e4fdadfe3a4af14e0c7cb350eb8dd54
PDF
Publication page00489962060d19c6af7a8f4d982a3591a255f2aeb026d9b34f55f3079e0612ba
Manifest37e9b0ddc2721aab7c5396140c0bfac392196297a2adce8723f1159d42035d59

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
Signaturew1wIU1VmYuJgHUtIRaqTsjvswCr+XjChbRZPmS2BqUnzkXXKNI/MS9mXEgg4fJC4Dpo/Ky1xhfGp3An0rdT8CA==
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

2026-09-17T11:12:44.484424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044193
observed 00489962060d19c6af7a8f4d982a3591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.464885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044193/manifest.json
observed 37e9b0ddc2721aab7c5396140c0bfac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.445586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044193/publication.md
observed 548c69b6fa04b6178dcd5b800340ec56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:44.424847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044193/publication.txt
observed 1e6c3b508ddb7959ba54207dabc32d20...
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.