OpenTechnical

OT-2026-000050907

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000050907) never changes.

Identity and time

Publication numberOT-2026-000050907 · never reused
Internal UUID01a0ae82-c7b3-73a2-a193-375976b55f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050907
StatusPUBLIC

Content hashes

Canonical textca79d15868e10aa3a59177c72686e214bbe8e7eb3b4fa606d7c1ffcb052e3feb
Markdown22a8e15caac6f6df1ff1878ca0971b4c791edbe00c40f5f9b39a71323c0bf233
PDF
Publication page97eca6812b25ebe0d807977539bbe12d2ed50887605d4f6c95518dd5274b8767
Manifestfed441c02659c559f06e3014ce6f1ac23dc1c408cef77e102259963771b8d98a

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
Signature5PYG5yNZm/KzXjBMytsYCxaOWdNCE74TO/OB513Z6lV4MPMfugIAGoIS0Kh4079z1G72212OcifF7YqmkOofBw==
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

2026-09-17T11:00:39.413819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907
observed 97eca6812b25ebe0d807977539bbe12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.390559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/manifest.json
observed fed441c02659c559f06e3014ce6f1ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.364880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/publication.md
observed 22a8e15caac6f6df1ff1878ca0971b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.362110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907
observed 97eca6812b25ebe0d807977539bbe12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.340207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/publication.txt
observed ca79d15868e10aa3a59177c72686e214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.339377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/manifest.json
observed fed441c02659c559f06e3014ce6f1ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.310505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/publication.md
observed 22a8e15caac6f6df1ff1878ca0971b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.286531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050907/publication.txt
observed ca79d15868e10aa3a59177c72686e214...
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.