OpenTechnical

OT-2026-000064680

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000064680) never changes.

Identity and time

Publication numberOT-2026-000064680 · never reused
Internal UUID01a0ae8d-deb9-71af-af7a-67869fe6a5e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064680
StatusPUBLIC

Content hashes

Canonical textc9ef382285f2dfc81ea427b5313ba23212e9eef7a4f366ef273d0cce60330584
Markdown27235c1c89baf9e0cd3e291255e5cf2ba5cba24b475a8bca2b1257505ea690d6
PDF
Publication pagea02ac9318f4cb10465e5282cc591d117cb1a12c3a448bacd8de8d02c57a65baf
Manifestdf38725279e6312daf6a85b358c295e42e747ee7b3a4964c4ff0a7f5358cf6cb

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
Signaturee8AHjAFLyHLyeqCEPGaxsF9RANougosonb9tHW3tiSMe8P2oRKx+E/lEGY7C+QKAiCPc3YOdYROji2fjx2t4Dg==
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

2026-09-17T10:35:28.564667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064680
observed a02ac9318f4cb10465e5282cc591d117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.546587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064680/manifest.json
observed df38725279e6312daf6a85b358c295e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.527888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064680/publication.md
observed 27235c1c89baf9e0cd3e291255e5cf2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.511067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064680/publication.txt
observed c9ef382285f2dfc81ea427b5313ba232...
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.