OpenTechnical

OT-2026-000060973

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000060973) never changes.

Identity and time

Publication numberOT-2026-000060973 · never reused
Internal UUID01a0ae8b-12f3-7cf1-a34e-494dcae2726a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060973
StatusPUBLIC

Content hashes

Canonical text1296f4ff3c69f3048dd89e8028f26162169499d75ac418fb78fdf85247a62279
Markdown190397aabb916edbaca557dc8398c65cb1f55fd46c1ab275d670b41b4666de2b
PDF
Publication page6dec7f09654b743b81ec286fc2b1b5f8fb27de0d2ca9dfb9560fba7564a1f560
Manifesta243986014712f7e566991223ee0b644f73e0d1d6d62900fe2d93fabb4455f94

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
SignaturefALzC4eleVCOH3aJOj2+DWoNSda8yYRyUaxwsXXomhPIhEYlvMUEnzzFQk3LU4mOhtK1rbg+0POkfY4FUyy5Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:15.316871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060973
observed 6dec7f09654b743b81ec286fc2b1b5f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.299716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060973/manifest.json
observed a243986014712f7e566991223ee0b644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.282282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060973/publication.md
observed 190397aabb916edbaca557dc8398c65c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.265136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060973/publication.txt
observed 1296f4ff3c69f3048dd89e8028f26162...
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.