OpenTechnical

OT-2026-000092191

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000092191) never changes.

Identity and time

Publication numberOT-2026-000092191 · never reused
Internal UUID01a0ae9d-875a-7026-8f1e-2db27d6a9128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092191
StatusPUBLIC

Content hashes

Canonical text3549eed2f3e817e0d29a38e7533e77abc41b3351abfb1e81c56ffd797c982b16
Markdowna6170b2385bd2319b1757c989d83a4309f7eb7177ca9234c11a652a31f424440
PDF
Publication page368c8e7b4ec6809daab5ec34548b64f07720a0fba3a58256c227a70644c5507b
Manifest8798e200e4c14e51b8e69c9327ccd5f4a611136b00966462641dcd915dd6cc4a

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
Signaturekz2ElDXbnCM8hQCiz/6iKl48BYwEKbCb9OGABr+P2pzOdW95IiTz2EYmpSacMiZST4PevVmPlJI+h8BrwUENDA==
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

2026-09-17T09:41:40.427169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092191
observed 368c8e7b4ec6809daab5ec34548b64f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.410504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092191/manifest.json
observed 8798e200e4c14e51b8e69c9327ccd5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.394106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092191/publication.md
observed a6170b2385bd2319b1757c989d83a430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.376754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092191/publication.txt
observed 3549eed2f3e817e0d29a38e7533e77ab...
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.