OpenTechnical

OT-2026-000072346

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000072346) never changes.

Identity and time

Publication numberOT-2026-000072346 · never reused
Internal UUID01a0ae92-47c3-765a-9445-f29325a3b419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072346
StatusPUBLIC

Content hashes

Canonical text8b0854e1ce796a0965ed21ca6cc29bdc38e96a3f26881b285b8ca573b426be37
Markdown68066d0cca8848d3a5183b70e29fb9e2577423cf5fa01ef35b29eed0dd6707ca
PDF
Publication page98436ce6853025f3a6514a458f22f21b5bf00303c8c76c88e47435e520f1d3db
Manifestae5a54e497cf0021a3f9b7eacce066602bed6913914a762ad5b17fc09baeef63

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
SignatureKlzDMk5C7gGBJFwDOGDTJhActFS7dY5IlNRZBa78bVqOc/el1DHILp+fQozEDXYDyvuwHm67/euIXTB1qjgjDg==
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

2026-09-17T10:23:34.037159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072346
observed 98436ce6853025f3a6514a458f22f21b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.021226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072346/manifest.json
observed ae5a54e497cf0021a3f9b7eacce06660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.002818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072346/publication.md
observed 68066d0cca8848d3a5183b70e29fb9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:33.985563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072346/publication.txt
observed 8b0854e1ce796a0965ed21ca6cc29bdc...
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.