OpenTechnical

OT-2026-000069500

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000069500) never changes.

Identity and time

Publication numberOT-2026-000069500 · never reused
Internal UUID01a0ae90-b52b-77cc-a0ce-92c741572cf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069500
StatusPUBLIC

Content hashes

Canonical text73f6c45ddc68a7f2fd774e419cce9a8aeffc6b0c25022460ce27ce38700c7e58
Markdown35cbce12d383159beddf65a8b349a353b24ba663e7612a1979c01db27969e7be
PDF
Publication page82736e3a915795725fc6d350687dae1ffb162bcceb0001fbebe8fd80bcebd70a
Manifeste9e62da645458266814bb50c0850b7ce755ac8bb8233ce99d457b475a272a9ee

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
Signaturekppb1HlLvHo9O8qZ+a2vt56IVIRTkxn16d/0aqf+0GjkkMgSokJPYAw2uCk6WKQFc02KhEgna/ZxfUvQYx5LDg==
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

2026-09-17T10:30:35.022488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500
observed 82736e3a915795725fc6d350687dae1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.005312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/manifest.json
observed e9e62da645458266814bb50c0850b7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.986782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/publication.md
observed 35cbce12d383159beddf65a8b349a353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.969092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/publication.txt
observed 73f6c45ddc68a7f2fd774e419cce9a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.919579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500
observed 82736e3a915795725fc6d350687dae1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.901449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/manifest.json
observed e9e62da645458266814bb50c0850b7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.882087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/publication.md
observed 35cbce12d383159beddf65a8b349a353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.863273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069500/publication.txt
observed 73f6c45ddc68a7f2fd774e419cce9a8a...
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.