OpenTechnical

OT-2026-000088936

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088936) never changes.

Identity and time

Publication numberOT-2026-000088936 · never reused
Internal UUID01a0ae9b-8f11-7966-ac72-fc416ec2fc7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088936
StatusPUBLIC

Content hashes

Canonical textbcec6dea15c47d316c3e363fb6893b4dd1d6ffe956bbc64d4c31c10b0e83c424
Markdownc83410e1e7cca506d70d4b810633b68b4d4e4708db6ebc398f316e69cd74ecb7
PDF
Publication page313672df3bbac3f396555d0a3c8e8c583537b860a8fe8c3f923877864cb75def
Manifest4247792e451f03338ef77329864aabbfb25bdfafbf82299212e3c8d5e9dfaa11

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
Signaturegh3WdlQjnRIa98uMsQtsG7P7llkiN/V3woI7NXWHzofVBh5HBrym2NN6t+p+fWcnCFAWl69jqG+dXmgB4RezAg==
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

2026-09-17T09:48:20.761785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088936
observed 313672df3bbac3f396555d0a3c8e8c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.743745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088936/manifest.json
observed 4247792e451f03338ef77329864aabbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.725099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088936/publication.md
observed c83410e1e7cca506d70d4b810633b68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.706822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088936/publication.txt
observed bcec6dea15c47d316c3e363fb6893b4d...
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.