OpenTechnical

OT-2026-000091369

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000091369) never changes.

Identity and time

Publication numberOT-2026-000091369 · never reused
Internal UUID01a0ae9c-f16d-7851-9245-ed30845fccf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091369
StatusPUBLIC

Content hashes

Canonical textcc17995f8af6e4d4b011140298ca3616e55a568cb37c2ae8bca8d15de5c982d2
Markdown2767896f3462a99b35a71d1fbf2f863dfc98c20dc809882b7e266ddb8a2b8555
PDF
Publication paged5d5b955c8f300a015375a4d6fd26dd1714a329f0ac75a629c3c84d35488a145
Manifest8896f3b722d7b82bba6b44d601d3a5feb69cf982a744cb3b8b8944f088ef77bf

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
Signature6W/e2QlmBmkBxrdzuTUSGXe8YHUJyAsCNCzieTWYo+TLh27zkkds7+xjnzf/uCvLWmWC8PW2sbzxJ4lm0ifLAg==
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

2026-09-17T09:43:35.269241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091369
observed d5d5b955c8f300a015375a4d6fd26dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.251369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091369/manifest.json
observed 8896f3b722d7b82bba6b44d601d3a5fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.234863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091369/publication.md
observed 2767896f3462a99b35a71d1fbf2f863d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:35.216440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091369/publication.txt
observed cc17995f8af6e4d4b011140298ca3616...
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.