OpenTechnical

OT-2026-000013833

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000013833) never changes.

Identity and time

Publication numberOT-2026-000013833 · never reused
Internal UUID01a0ae6d-8de9-751a-b97b-8847ef36680d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013833
StatusPUBLIC

Content hashes

Canonical textd8ead3c780a6aa507c75a7e4261a066bc2ba4a76d8f0550a8002038aa55c155d
Markdown3e4b67a7f18a9952f55412a022f1ba47799bbedd865465523b5839401ea931f6
PDF
Publication pagefe26fb7b68d6b78fe6b79560bcb009335ecab58f9ba8d37c248a96a6d693e58f
Manifestccc71e689b09c653317bca31766890e09076faab18c30e71efb9c27858b954ca

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
Signature+i2xELC6ayVN7HMas/cX4aMK5JOoiBhohHNTstkGG+3xEP+05yqnx2hMttGSws27xZhXWR/xWr6ThM5DmmoGBA==
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

2026-09-17T12:08:56.159470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013833
observed fe26fb7b68d6b78fe6b79560bcb00933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.140784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013833/manifest.json
observed ccc71e689b09c653317bca31766890e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.122414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013833/publication.md
observed 3e4b67a7f18a9952f55412a022f1ba47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.103374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013833/publication.txt
observed d8ead3c780a6aa507c75a7e4261a066b...
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.