OpenTechnical

OT-2026-000041909

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000041909) never changes.

Identity and time

Publication numberOT-2026-000041909 · never reused
Internal UUID01a0ae79-e8a6-7324-aa51-d672798594f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041909
StatusPUBLIC

Content hashes

Canonical text2cef8867ebe9d2674728bb49473e38053c525a7c8fe4f15b102ec846a9c98305
Markdown9cba9d1e98730e2cde8ebd9b1ef061f96de6ebbebebdd269430ba6067bdfa6eb
PDF
Publication page706db142ce262e9d24dc408b72ee9e5452e05048bc5695d2c7b709064480a7cd
Manifest5423f6cbdf66f4c1f8220c5f2a3434688bde10e65301a8793c7f8460b0faa744

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
SignatureFsmgivcA5DR1GREl1i722k38laqWYu5RQnY3LfFrODRaYpESBAtM8/pgRFyjzoUVxT+bU74SORZMrrPSnGR1Bw==
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

2026-09-17T11:16:47.429331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041909
observed 706db142ce262e9d24dc408b72ee9e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.412794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041909/manifest.json
observed 5423f6cbdf66f4c1f8220c5f2a343468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.396328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041909/publication.md
observed 9cba9d1e98730e2cde8ebd9b1ef061f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:47.378043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041909/publication.txt
observed 2cef8867ebe9d2674728bb49473e3805...
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.