OpenTechnical

OT-2026-000061945

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000061945) never changes.

Identity and time

Publication numberOT-2026-000061945 · never reused
Internal UUID01a0ae8b-b8ad-7ba1-827b-3bcc7e145e2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061945
StatusPUBLIC

Content hashes

Canonical text0fabf0d5fa3618bf61f1d029ee86de2f1455f399e771e3441b501b411d175932
Markdown8057f3b4d8adb680110fe72241b7fdad195f3308687107a94db05428df439ad5
PDF
Publication pagee950430183d145882569b18be2034ebfe60cb58b4c87f97fb447bc9b51909849
Manifestfe6d8c8fb7c9b4dd050dfc0c660cfe939b8edf491f7af220d087ba3264a8475b

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
SignaturenvXDSazOMr1Doe133Og5NTwG0q0iS87KZZUKTQvDwUO53cA3rBEArFw/7sEAWI9nMRY7mkYaey4cwpBGIVnpCA==
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

2026-09-17T10:40:50.596503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061945
observed e950430183d145882569b18be2034ebf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.571263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061945/manifest.json
observed fe6d8c8fb7c9b4dd050dfc0c660cfe93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.544108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061945/publication.md
observed 8057f3b4d8adb680110fe72241b7fdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:50.515721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061945/publication.txt
observed 0fabf0d5fa3618bf61f1d029ee86de2f...
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.