OpenTechnical

OT-2026-000042297

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000042297) never changes.

Identity and time

Publication numberOT-2026-000042297 · never reused
Internal UUID01a0ae7a-5d73-7153-833a-f837b7f4bbc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042297
StatusPUBLIC

Content hashes

Canonical textb93498f886af369904501158839bc2004c0bc3d43f33ac2a8a7684c47d0bcb00
Markdown6b591e848585d7598fc3d4b51272ec882897b4297f574a345bc952aa7f380779
PDF
Publication page798b74f66e8f0d804c9137e409f0d31c2dee2358df779d90d85e3fe2876c1ca3
Manifest9beb6d2ee76880676698cbdfdf691984e8505571555bb08a782ae8dc2a63e9fc

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
Signaturecl+fBM72YnEUCwvHdcUxsls8QFB8HcHZ8wZXQrn3rZvIUpeJGthgdnFMoVMP7sokHjj5U2Cj4GPIP4jBd1bHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:59.702851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042297
observed 798b74f66e8f0d804c9137e409f0d31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.686575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042297/manifest.json
observed 9beb6d2ee76880676698cbdfdf691984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.669830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042297/publication.md
observed 6b591e848585d7598fc3d4b51272ec88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.652300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042297/publication.txt
observed b93498f886af369904501158839bc200...
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.