OpenTechnical

OT-2026-000064421

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000064421) never changes.

Identity and time

Publication numberOT-2026-000064421 · never reused
Internal UUID01a0ae8d-a461-7ce9-9247-436841dad43d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064421
StatusPUBLIC

Content hashes

Canonical text3c0905de1943bbdfb791cb1484c9d2c3231e0456b34519ec913cd7a28ccba1ee
Markdowndf8c978854e58f4f38d43d9c50f5536762177f12f06e79b1dd06a92c2df3bbc5
PDF
Publication page4cd12d2f9447c92466db4e1b0d336641479ef7b5847b092356c4562a3f77f742
Manifest795e9b7087f79f4d7fabd6165f38bb1c82796a3598a3d352ca35c1d2c1facc7c

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
Signature8v39xzWJomgcCW//6J6Iejzcza2mFkMqgK8RxsIRnbqjAMatwYf+8IXBWkC0iBloB6n2CFZVOniyT8UIFgQODQ==
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

2026-09-17T10:36:36.160151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064421
observed 4cd12d2f9447c92466db4e1b0d336641...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.142951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064421/manifest.json
observed 795e9b7087f79f4d7fabd6165f38bb1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.124128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064421/publication.md
observed df8c978854e58f4f38d43d9c50f55367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:36.092189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064421/publication.txt
observed 3c0905de1943bbdfb791cb1484c9d2c3...
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.