OpenTechnical

OT-2026-000041625

Publication integrity record

Single cup vacuum gripper, three stage ejector, sustained blow-off after 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-2026-000041625) never changes.

Identity and time

Publication numberOT-2026-000041625 · never reused
Internal UUID01a0ae79-e8a0-77e4-8d87-122c35d1cbad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041625
StatusPUBLIC

Content hashes

Canonical textb9863047f4483a89da9c75e8194e7c1082eb1dca89596d05e5e19fc236691506
Markdown4ac7d27fcc0276bdfd73f4241e603079c1cd72745bcac8d062aca6feeb59cb22
PDF
Publication pagec1bb3c82e6059c026c36d412ea6925ffe0ea2b781fd5eccba830466f29cb3005
Manifestf73de741fbcc11e21b5bff6fd9a7e5a5fd824f531ff5f2c8a9cf148eb7504640

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
SignaturevX/tIL0W8MkkfCqykOA+KDqtkDyN6WURMqv9R1NGCYljfq9UjL2VrjHY9Gvn5h8S+gYl7JPzCBw4o1shUzQBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:25.360050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041625
observed c1bb3c82e6059c026c36d412ea6925ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.341233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041625/manifest.json
observed f73de741fbcc11e21b5bff6fd9a7e5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.325230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041625/publication.md
observed 4ac7d27fcc0276bdfd73f4241e603079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.309638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041625/publication.txt
observed b9863047f4483a89da9c75e8194e7c10...
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.