OpenTechnical

OT-2026-000047970

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000047970) never changes.

Identity and time

Publication numberOT-2026-000047970 · never reused
Internal UUID01a0ae7f-c422-7b7f-beef-e03b663696f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047970
StatusPUBLIC

Content hashes

Canonical textcfad241393e9a15450c5799f0939f03a005e582e72337e0250801ee7d40c0784
Markdowne7a9a13f96cab866494a6a074fbb0781f10964c3e1f9b0d9c956dec80b6902d3
PDF
Publication paged95378df3e32e9114393529bad22fa8365b103e428b3024bbf384375a5c89cd1
Manifest39a9712ee771a9bbd0dee71bc22e52141c8f42a8e8c0bfa478db39eb4316b799

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
SignatureEOjlkJnrPgkh3joA5UmoJnfwGDKHEYFMMtBbOnwq+YlpJSa1VZOcandhZ3wLRo0UI5GEYE5cwciMmYO++rqgDQ==
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

2026-09-17T11:05:56.858785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047970
observed d95378df3e32e9114393529bad22fa83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.841366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047970/manifest.json
observed 39a9712ee771a9bbd0dee71bc22e5214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.823543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047970/publication.md
observed e7a9a13f96cab866494a6a074fbb0781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:56.804456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047970/publication.txt
observed cfad241393e9a15450c5799f0939f03a...
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.