OpenTechnical

OT-2026-000050237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000050237) never changes.

Identity and time

Publication numberOT-2026-000050237 · never reused
Internal UUID01a0ae82-5c46-7f58-a333-1fbac9c1db09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050237
StatusPUBLIC

Content hashes

Canonical text362c3dcb8e8dc7e405c1ab6263ef2416f5ac89895dee8baf39315ea8263c0d8f
Markdownce0f7376416c44d22fa2009d4146a4753a659572fcf0b980915892454f5a574c
PDF
Publication pagec866ad1674ff5ebd69231a39b7a4f084566bed3a96e8bbceef40969b5d86e92a
Manifestb169beff8d4037dd97230c9a779f34d1f279a90315e7e2f17687e1400bfeaa5f

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
SignaturePy/VKX0DtSGax6o38ks3iZcbOrbMd5hU41MqoJoOTVKI+vUR4de6xBbljQQ8TSScpx66P3VgLfZZ3vFcSRp3CQ==
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

2026-09-17T11:01:13.966636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050237
observed c866ad1674ff5ebd69231a39b7a4f084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.949237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050237/manifest.json
observed b169beff8d4037dd97230c9a779f34d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.931823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050237/publication.md
observed ce0f7376416c44d22fa2009d4146a475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:13.914373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050237/publication.txt
observed 362c3dcb8e8dc7e405c1ab6263ef2416...
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.