OpenTechnical

OT-2026-000007390

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, sustained blow off before 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-2026-000007390) never changes.

Identity and time

Publication numberOT-2026-000007390 · never reused
Internal UUID01a0a97d-11c9-7bb1-bdb2-46109bdae7ef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:21.195624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007390
StatusPUBLIC

Content hashes

Canonical text2fb0e96b19b7cbb9936274881dd7f99fda93af7c262d59219bd2dd2b2f0fc0d2
Markdown5b9c6f192f37745094eaa7cbc9b75bab3809d1f3fbb5f5b4c382ea6bbaf27326
PDF
Publication paged91ac63e7124417b3b614dddae13739dc113b92ac0a8b07b67e89a8cd70e92e9
Manifest5af9b7dbb1fbf9b5548c96dbcaac0e749559fd692de89b4d035906816e6ca7c2

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
Signaturei6Irt6wDnjWLtXoUTmSSZ0xKuwWN4apYkVxspVUaWlVoxXuLa2Tz7OEQ7Rvai2rAWf+hNZ6NxaFO3HwLy5SqBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.082975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007390
observed d91ac63e7124417b3b614dddae13739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.071377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007390/manifest.json
observed 5af9b7dbb1fbf9b5548c96dbcaac0e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.058263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007390/publication.md
observed 5b9c6f192f37745094eaa7cbc9b75bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.045296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007390/publication.txt
observed 2fb0e96b19b7cbb9936274881dd7f99f...
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.