OpenTechnical

OT-2026-000023801

Publication integrity record

Two cup vacuum gripper, two 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-2026-000023801) never changes.

Identity and time

Publication numberOT-2026-000023801 · never reused
Internal UUID01a0ae70-aed5-7217-9e99-df9e6a01756e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023801
StatusPUBLIC

Content hashes

Canonical text60e504f310662680588096621e6e9fba4791c2d7d3c2a22c43b01b2f7470bf30
Markdownf61a43e5f129ac4fdd2a8203055e79bc152f23b79a5bed0408eaa2d9a12920bd
PDF
Publication pagee28cc9b3280b1499170dfd9ab58eb2131abbb7306b5f9124949ba7b49c203b94
Manifestca9c4f5462e80d083ef73998eb316310065b509696d3251b4c58e72b87d410d7

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
SignaturendGQnO++2nVwSnvDIxPQVuS5wdtLCTWsynVCtL+EQInmAB6co5AifZcmJ8oJnPNJj9LgSn/DnrJKO+EumANAAA==
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

2026-09-17T11:50:16.759953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023801
observed e28cc9b3280b1499170dfd9ab58eb213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.740078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023801/manifest.json
observed ca9c4f5462e80d083ef73998eb316310...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.724038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023801/publication.md
observed f61a43e5f129ac4fdd2a8203055e79bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:16.707601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023801/publication.txt
observed 60e504f310662680588096621e6e9fba...
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.