OpenTechnical

OT-2026-000084536

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000084536) never changes.

Identity and time

Publication numberOT-2026-000084536 · never reused
Internal UUID01a0ae98-e25a-7ed7-aed2-77d1dd32bd18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084536
StatusPUBLIC

Content hashes

Canonical text6592227ec655fa8557e9d74cbd8bcc6afc12cb1e0ca43506c1358cb799cbd684
Markdown2f62fe8ae36c9c88eb112a0d54b05988fdb4868dfde377c24d05fb2de742a673
PDF
Publication page1e817edd16a5fc2823f771ff12066a7ca8e791d68f934ca5faeb984f8c4732aa
Manifest1483b7ae3a2e56db93c88b1daa9ef620e049868de7436bf85c0b8b3a28f0bed6

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
Signatureai6I8PVvhD+pZKTeXRIylhpyLlfHABQQluZ0V06iWPPNr4NhIsj9WogkMQ+VcgRX+FkFL2PPwgLJB+DgbyY2AA==
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

2026-09-17T09:55:25.277612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084536
observed 1e817edd16a5fc2823f771ff12066a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.260921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084536/manifest.json
observed 1483b7ae3a2e56db93c88b1daa9ef620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.243517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084536/publication.md
observed 2f62fe8ae36c9c88eb112a0d54b05988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.225109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084536/publication.txt
observed 6592227ec655fa8557e9d74cbd8bcc6a...
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.