OpenTechnical

OT-2026-000059628

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000059628) never changes.

Identity and time

Publication numberOT-2026-000059628 · never reused
Internal UUID01a0ae89-ec24-741b-8706-0281101600a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059628
StatusPUBLIC

Content hashes

Canonical texta36d63a571867972063ec12f0f16dd326eb5629fea51d065cb57da64e277ceb6
Markdown7792e9ae04f4afa1d67d28ed92495ae4e532f72d113ecb9ebf804fc59ea64946
PDF
Publication pagec4a436a7391e0f4568f8d69f302e47a61bbacb9bb9702dc1830a36671afddf43
Manifestf17e188b7bb2b896d9619f93505fb712bb3de1a82745d0890d8bead0a43c4313

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
SignatureWz9mc6I9LIjVR19tNgHjIr6UOFdUdpHXGCpVumi08uIyV8DIgFjTuQ9af8/ZcEVjwpWzOtUBGtSSd3B0RwbDBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:18.871724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059628
observed c4a436a7391e0f4568f8d69f302e47a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:18.850688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059628/manifest.json
observed f17e188b7bb2b896d9619f93505fb712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:18.829550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059628/publication.md
observed 7792e9ae04f4afa1d67d28ed92495ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:18.808965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059628/publication.txt
observed a36d63a571867972063ec12f0f16dd32...
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.