OpenTechnical

OT-2026-000068228

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000068228) never changes.

Identity and time

Publication numberOT-2026-000068228 · never reused
Internal UUID01a0ae90-247f-7b25-b440-002e4eb3f418 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068228
StatusPUBLIC

Content hashes

Canonical textd032ced0bf0953de97a69aa0ba62b854fd0ffc7c4386e2bb638536b6f1b6efd3
Markdown04d7ed1cdb8b6f37b859373c17aec8d98ac378f335572c4d4bd7e4412e5eee0d
PDF
Publication page0e94fa4f9b0a599fe535ac991197da770de371cab2cf0a1bffdd4aac664b5191
Manifest3c54cbad6c78a6ab186e9dd9209c09b26ae43690acc55c28ecf418c73dfc4aa3

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
SignatureVci4e66+SdvARAyGg/700k32ged4XFP5QSFXRfBUbWWDLTjX3tiuLXC277FVNA6Ggfm1QHA0BYDY5eZ7tVf+CQ==
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

2026-09-17T10:29:14.644524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068228
observed 0e94fa4f9b0a599fe535ac991197da77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.626879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068228/manifest.json
observed 3c54cbad6c78a6ab186e9dd9209c09b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.608914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068228/publication.md
observed 04d7ed1cdb8b6f37b859373c17aec8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.590110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068228/publication.txt
observed d032ced0bf0953de97a69aa0ba62b854...
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.