OpenTechnical

OT-2026-000068028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000068028) never changes.

Identity and time

Publication numberOT-2026-000068028 · never reused
Internal UUID01a0ae8f-c4fe-7b2c-b72c-0ffcf6106eed · 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-2026-000068028
StatusPUBLIC

Content hashes

Canonical textb0849ffe36751dbb9fdd736d2bb837c9da5441313f5ab6674e9d541eb04dd96f
Markdown9c528d98327fed247331f5a3e4f44cfdaa3d22c09aacc64804b1e28839d5eb38
PDF
Publication pagea9ea910b27e09a7fc9c9beadcf4872833a10bc7cd32e8c7405421312a4c0bc2f
Manifest67a600a8a2d35cd801871ec30f151ecb0214a12e42efc6010ec5084b2b3a748f

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
Signature8lY9xZyLZ3wqthtL8XOqQB1NSrE15ae15u/G7NrF4IW67rMy3a9kZnMFxF9CHJ8SX+olsqf94indFAQgqLkUDA==
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

2026-09-17T10:30:35.433101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068028
observed a9ea910b27e09a7fc9c9beadcf487283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.414738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068028/manifest.json
observed 67a600a8a2d35cd801871ec30f151ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.396795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068028/publication.md
observed 9c528d98327fed247331f5a3e4f44cfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.378434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068028/publication.txt
observed b0849ffe36751dbb9fdd736d2bb837c9...
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.