OpenTechnical

OT-2026-000050111

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000050111) never changes.

Identity and time

Publication numberOT-2026-000050111 · never reused
Internal UUID01a0ae81-fd79-702b-9bf5-3d5a15a57d13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050111
StatusPUBLIC

Content hashes

Canonical textaac22c4d6e99cba86b671fe597595a3019ddd7df1f6c44cc83e6cc371889a023
Markdown91f6e1f45cb737a3248e71ed073f7e4908bf50c7a2494bfb3c92c30d666d54e8
PDF
Publication pagec61c44d4b61ec1ca2912e7b6470e0aea7161d91335fb374ea64523aa7371d73e
Manifest25974bdeaff4c1a631a3a8cebd96e2043b9e7d7b1022379ff40e35684ec84a9f

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
SignatureT2KyHQMBMbj2Vy57HedsVQffXR5a7mFOt+wa5glYxZZ1To2eTwMn3pys5e2+zgOsTlnqxXCfFflJmaQ6fm1AAA==
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

2026-09-17T11:02:06.839780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050111
observed c61c44d4b61ec1ca2912e7b6470e0aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.823435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050111/manifest.json
observed 25974bdeaff4c1a631a3a8cebd96e204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.806289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050111/publication.md
observed 91f6e1f45cb737a3248e71ed073f7e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.787633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050111/publication.txt
observed aac22c4d6e99cba86b671fe597595a30...
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.