OpenTechnical

OT-2026-000067811

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000067811) never changes.

Identity and time

Publication numberOT-2026-000067811 · never reused
Internal UUID01a0ae8f-c4fb-7ccb-ac9e-cf7e64e90bd7 · 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-2026-000067811
StatusPUBLIC

Content hashes

Canonical textafa4ff8706fb0cade7c4b8adffb37203d057695d3c2662e34e9e01bb3f16cc35
Markdown1006660de54ec2561f384e174c875a3d00349bac07aea7ead30c94641667d886
PDF
Publication page46b5244646f0cf3252d575e2257eac6ae2fadb4aacbc0f2b3b4e027b6320c853
Manifest717006b6a1c66989d7de8e7053276712310d208f728dfc72e67655d16a21225a

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
Signature5czRZ4cdXzgysu7ZvmI7B+X2RvC2s3IqtyA8pldk7A4P6NsFY9KK0bWJEiboY2R/oUFDF0SSqwBEvfqhKqPVAQ==
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

2026-09-17T10:30:03.319208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067811
observed 46b5244646f0cf3252d575e2257eac6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.300738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067811/manifest.json
observed 717006b6a1c66989d7de8e7053276712...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.280746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067811/publication.md
observed 1006660de54ec2561f384e174c875a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.260783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067811/publication.txt
observed afa4ff8706fb0cade7c4b8adffb37203...
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.