OpenTechnical

OT-2026-000067172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000067172) never changes.

Identity and time

Publication numberOT-2026-000067172 · never reused
Internal UUID01a0ae8f-14ff-7fca-91d8-3b4c8fb9f944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067172
StatusPUBLIC

Content hashes

Canonical textbbde0c42b960e87427944f1a80619367d06fb440d8be4896d14524dce175bc9a
Markdown5612b0ac0616dacb060fbe67e7c2973ad324cb89067ab60e8e21c7dc32cf2d52
PDF
Publication page75e0aabe279a59f70e7202279aa3a6409686dbc0e5d28a9f7228834368939091
Manifest34b40a8b6ba539beaca77f2d9334ec7984895f099be05afee9cac121c7f220a5

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
SignatureDcu+wBwvbEd38xPmkyiioAM+5uzEIW65kp7WjvGN7xhsioFINQFUJyyFc6zZOwnMNAaU9SDmwmtZWgKCaESHBg==
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

2026-09-17T10:32:27.249552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067172
observed 75e0aabe279a59f70e7202279aa3a640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.233097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067172/manifest.json
observed 34b40a8b6ba539beaca77f2d9334ec79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.216417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067172/publication.md
observed 5612b0ac0616dacb060fbe67e7c2973a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:27.200007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067172/publication.txt
observed bbde0c42b960e87427944f1a80619367...
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.