OpenTechnical

OT-2026-000068178

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068178) never changes.

Identity and time

Publication numberOT-2026-000068178 · never reused
Internal UUID01a0ae8f-c4ff-7205-a75b-f2528f6f00a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068178
StatusPUBLIC

Content hashes

Canonical textbb496842577ede24152e85ff00bf4714e4bd10832dbc77bdb8ca555fd0954bba
Markdown5126dfbad498c6e26b11b95b2071e713e813b71f2c94831e755f22a4e2e6de59
PDF
Publication page66a38f41c49643435563e6db9b1e377df1f5f9ddc55f934c78fcdfe7534ea8fa
Manifest628aa081785aea00fbf729c942adf84fdbc93bcbbe9ec46a159eca10d48fac74

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
SignaturecouU6yFe0SJ7lHyWFSZgAromqml5wEiB3m7o4NrUVr+DTymcKvEc1Dicu2ky4wDS5BMUfLl/gnq237XVQeybDA==
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

2026-09-17T10:30:50.130294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068178
observed 66a38f41c49643435563e6db9b1e377d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.112740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068178/manifest.json
observed 628aa081785aea00fbf729c942adf84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.095361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068178/publication.md
observed 5126dfbad498c6e26b11b95b2071e713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.077960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068178/publication.txt
observed bb496842577ede24152e85ff00bf4714...
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.