OpenTechnical

OT-2026-000084740

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000084740) never changes.

Identity and time

Publication numberOT-2026-000084740 · never reused
Internal UUID01a0ae98-e25d-7623-897b-dc22587fe22c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084740
StatusPUBLIC

Content hashes

Canonical text52b234572c5702c6f173352b09a1a46d66630d79c9d6f87f03678a8cf4dd7a7d
Markdown1323ddb4aa171a1dbca84b8f7fc0ca11e0ad6d2f3e81a40d7af0eed2051bc846
PDF
Publication page43462c16d667aef1842782ae023a2ea00cf88b4915870462d64165bbbfe9a61a
Manifest004a8ddb9dbd528c8f81a5bf949461147a00fa0ad4ee6c0f3d8ec1575513acd4

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
SignaturepfhI1lGhqx388e3N8/2spH4CWPBolJkfyVJgz9e905Gyb8nFP9tMFpWqh3E+PWGglo47kR4qzvoH8r8gQtD3Dg==
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

2026-09-17T09:55:41.028454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084740
observed 43462c16d667aef1842782ae023a2ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.012294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084740/manifest.json
observed 004a8ddb9dbd528c8f81a5bf94946114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.994886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084740/publication.md
observed 1323ddb4aa171a1dbca84b8f7fc0ca11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.976365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084740/publication.txt
observed 52b234572c5702c6f173352b09a1a46d...
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.