OpenTechnical

OT-2026-000050073

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050073) never changes.

Identity and time

Publication numberOT-2026-000050073 · never reused
Internal UUID01a0ae81-fd78-7464-a0ff-33005548e781 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050073
StatusPUBLIC

Content hashes

Canonical text9ea3860e927b8abd2efa7bc1e2791f48bfe5c3d3e484802cf46eeb89e13f542b
Markdown6389f4e30c2329e3a19dfc741f63bee9c66960a400b7cff5b2160abd302ea81a
PDF
Publication page87891ffaf78e519e14362d8dcc1baa90f5805fc3e9ca58f82b13f7d4fdf7577e
Manifestb5ec99b242c72e4c034374c48d4aca850cf3b5cf6aea4ed19014a8ff6da031b8

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
Signature+BOeRElC2PFzrpQfi4CrxEFaQ5coi4dxCu3RJbS76Yw0BHxOjWe0zd2HWhStfuanVkjxyF5SOaBoiz5GVXEdBQ==
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

2026-09-17T11:02:03.642931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050073
observed 87891ffaf78e519e14362d8dcc1baa90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.622803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050073/manifest.json
observed b5ec99b242c72e4c034374c48d4aca85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.602836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050073/publication.md
observed 6389f4e30c2329e3a19dfc741f63bee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:03.584959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050073/publication.txt
observed 9ea3860e927b8abd2efa7bc1e2791f48...
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.