OpenTechnical

OT-2026-000077822

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000077822) never changes.

Identity and time

Publication numberOT-2026-000077822 · never reused
Internal UUID01a0ae95-2ed0-775f-8895-22273de009a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077822
StatusPUBLIC

Content hashes

Canonical text74707ad2e7e90a995477e8ffd3ff9bcf3a86159b838eb765f5746defb99cfa3a
Markdownf2e3a4dbbf9a97f72ebd671a20595f32d3b838dc7e3efad6b6fded45a2eacd43
PDF
Publication page925da72046dd26a6364a619b46ca8f272234109bbb23a0dce7c7b449b3b375e7
Manifest24ebd2c3a4db30b5c3bb47d4fea84a5e0dc492e078437007a5a5acf2b6709313

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
Signaturere17VsOqnKKX9EWtjqafa+bZsVi6jfuiIHBDnwQ/oXzNEvHia38c6dKZkPT69hfWohMCNAySfsXAZVo9nwqVBQ==
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

2026-09-17T10:07:24.920619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077822
observed 925da72046dd26a6364a619b46ca8f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.902291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077822/manifest.json
observed 24ebd2c3a4db30b5c3bb47d4fea84a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.885392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077822/publication.md
observed f2e3a4dbbf9a97f72ebd671a20595f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:24.866082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077822/publication.txt
observed 74707ad2e7e90a995477e8ffd3ff9bcf...
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.