OpenTechnical

OT-2026-000023250

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000023250) never changes.

Identity and time

Publication numberOT-2026-000023250 · never reused
Internal UUID01a0ae70-7267-71bb-a8d2-948188f97401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023250
StatusPUBLIC

Content hashes

Canonical text3008f4b20610a51e4dfa245cbd1b9cace4540630ba010b57a3d0839c5c0cd699
Markdownd43b52f5fe13f1f755d8c631c16bf4f1bd568d81b0a9b38138091c134bf3dc99
PDF
Publication pagedd1f1ea82d2a3898fb7d2cdd63d0a533780bceb1e0085767125b581e75f8d732
Manifeste3955962319ff9fd7ae1a092e31416aae9d4293f1a3ae5191ecdd5a937b16bdc

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
SignatureSD6GZV5q1pJqFmSdi4dML7iG38JlYBkM7t9uVCVrOIYpY6E7mjeqXo5U7/PMK3GOm78qWKRKTCzaxhkwujCfBg==
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

2026-09-17T11:51:19.030822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023250
observed dd1f1ea82d2a3898fb7d2cdd63d0a533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:19.005953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023250/manifest.json
observed e3955962319ff9fd7ae1a092e31416aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.989815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023250/publication.md
observed d43b52f5fe13f1f755d8c631c16bf4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:18.972173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023250/publication.txt
observed 3008f4b20610a51e4dfa245cbd1b9cac...
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.