OpenTechnical

OT-2026-000066311

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000066311) never changes.

Identity and time

Publication numberOT-2026-000066311 · never reused
Internal UUID01a0ae8e-8dc4-7c95-a4ce-d27ede399841 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066311
StatusPUBLIC

Content hashes

Canonical text1486d08585aafea72747aeae03fb36a6c8599cc2707e676838d6481a1a891469
Markdowne796650ff848d9f428aaa64b82eeb1ec40cdde87ba9285634edd58616b1bddfb
PDF
Publication pageebf769e5da2acd9efe30637f2fd9d5b6395749f71a25cf8822427b6bb42b9008
Manifestd48f83ef495ef1034b67d3448b6833cc2f70530b536f42bd585cb263557b466e

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
SignatureZR4QGX+P8Cp7s8gp8RmLQBxTLz13F4tCW3Wmd6x52us+ZefAD8tCWY9te3EeNK7vyKjKvsWUs3KOxh+J0boICA==
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

2026-09-17T10:33:29.917301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066311
observed ebf769e5da2acd9efe30637f2fd9d5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.898420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066311/manifest.json
observed d48f83ef495ef1034b67d3448b6833cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.880516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066311/publication.md
observed e796650ff848d9f428aaa64b82eeb1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:29.862512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066311/publication.txt
observed 1486d08585aafea72747aeae03fb36a6...
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.