OpenTechnical

OT-2026-000075927

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000075927) never changes.

Identity and time

Publication numberOT-2026-000075927 · never reused
Internal UUID01a0ae94-29ff-7218-aa64-19383d974779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075927
StatusPUBLIC

Content hashes

Canonical text10d8c0d2cec7853e253e08cfac8b2d36c1fcbd7dc5c0e71c14a84e32bd6463de
Markdownc87d0e784547336f0f5290378b53a7135d9de5a3969397a8bef7f5cf0072e031
PDF
Publication page958a2d9e4955b6a96d4fc6ac3192e85bf7a8932f519798db331d1e6e62ef65b2
Manifestb9f0c39811cd5bc1546f28c70e8aad654308fbd056977180c97df8e99542489f

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
SignaturezvG5tFQWS5wnTRXnaElwr+UPWjp5JihlD9FN7pK27alR2jFlimFwc7hasn2MZygy2h7fKYr4OXNrzM6vz3unCw==
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

2026-09-17T10:14:46.811807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075927
observed 958a2d9e4955b6a96d4fc6ac3192e85b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.793560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075927/manifest.json
observed b9f0c39811cd5bc1546f28c70e8aad65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.774530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075927/publication.md
observed c87d0e784547336f0f5290378b53a713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:46.756462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075927/publication.txt
observed 10d8c0d2cec7853e253e08cfac8b2d36...
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.