OpenTechnical

OT-2026-000060168

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000060168) never changes.

Identity and time

Publication numberOT-2026-000060168 · never reused
Internal UUID01a0ae8a-5a72-7b0c-b40f-be1ab47c826e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060168
StatusPUBLIC

Content hashes

Canonical text0db91169f5e6c1c59032545110a6ec281005f22ac423fd9ef16a48ae66842738
Markdown34d21ddb4c7df51c81b4ca96f321a225617ad44366b9a6cd2e31f4e76e2a3d9b
PDF
Publication page87c3de9731375dd38ff74d68cc50b4cef9123a6eb186080ac651702815d74d08
Manifest89db88abc403a46b6140c54830e04606e8d0d2223733c09a85a34befb035d71c

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
SignatureMO+2TSB8kW8ope73LhNRWYdzQpwv38FxiM8HQvpndHmsIM1etr23Cig4TOH7sng5J3+DVpCjYTU8oXoycjmNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:49.853925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060168
observed 87c3de9731375dd38ff74d68cc50b4ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.835554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060168/manifest.json
observed 89db88abc403a46b6140c54830e04606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.819401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060168/publication.md
observed 34d21ddb4c7df51c81b4ca96f321a225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:49.800782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060168/publication.txt
observed 0db91169f5e6c1c59032545110a6ec28...
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.