OpenTechnical

OT-2026-000071859

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000071859) never changes.

Identity and time

Publication numberOT-2026-000071859 · never reused
Internal UUID01a0ae92-1e92-7d27-8855-1184494eb3c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071859
StatusPUBLIC

Content hashes

Canonical text3c6d8b7f468972fffb861e52241208e27c03dedce162268f7a398b613f02ed77
Markdowndd9adc113156fd2061578277df0c63440cf64a58918f4ab28b13ce30b7b51460
PDF
Publication page6eb11d0f51d39ba53ec9c737f546ea993b2b749e50d2770320388a3e3857b4b7
Manifest25d95bf485eb0b4b946f85e44f13fbc5f71e4a11b9d1840b5b351ec7c2174d17

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
SignatureGzO1AKywhewqiQh6RA1I0VErGbwFj/njx78ktoC4GygPq+ZI1OuNvrHoVZBp2mI0XDBP98JBdeJqX73J0tpoCg==
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

2026-09-17T10:24:02.544626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071859
observed 6eb11d0f51d39ba53ec9c737f546ea99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.527500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071859/manifest.json
observed 25d95bf485eb0b4b946f85e44f13fbc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.510760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071859/publication.md
observed dd9adc113156fd2061578277df0c6344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:02.491652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071859/publication.txt
observed 3c6d8b7f468972fffb861e52241208e2...
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.