OpenTechnical

OT-2026-000060357

Publication integrity record

Single cup vacuum gripper, two 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-2026-000060357) never changes.

Identity and time

Publication numberOT-2026-000060357 · never reused
Internal UUID01a0ae8a-5a75-73d9-b110-853b5e1bb40f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060357
StatusPUBLIC

Content hashes

Canonical text9d3aaf46a414e1b3a8b970de5995fa02792898b03e21dcde14338fc937af8102
Markdownf1bf469f6e7b3bd4d058a7e2ba0503b4510397e24cd80f4663d10d2f593763f6
PDF
Publication page7689d8b96af077f609df2364880f193e91b665e477692385709504bf201767ff
Manifest5e67e33a137ad817878aa5654732a3ab698740c4e8266b6e867f69c56bbe5ca5

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
Signature/Qwkkr7TJe6QoGTmLfk+YNNJza//xjiogwq4FF/fxMZOOnciUL7dj3AGYiVnpNEmqeQ2ek91oLZ/3/91yQrxBA==
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

2026-09-17T10:44:06.140571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060357
observed 7689d8b96af077f609df2364880f193e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.112998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060357/manifest.json
observed 5e67e33a137ad817878aa5654732a3ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.085413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060357/publication.md
observed f1bf469f6e7b3bd4d058a7e2ba0503b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:06.059767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060357/publication.txt
observed 9d3aaf46a414e1b3a8b970de5995fa02...
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.