OpenTechnical

OT-2026-000044876

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed 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-2026-000044876) never changes.

Identity and time

Publication numberOT-2026-000044876 · never reused
Internal UUID01a0ae7c-911c-7985-91c0-c3eab26666af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044876
StatusPUBLIC

Content hashes

Canonical text11b07624049f51020663413c1ead2b41aa7b35d66550e8c1c38e21c581b03e07
Markdown25cd5214a9a54fcaa8720dff551cc178d2893200b153f367342c2b513a24f0c7
PDF
Publication pagea621ef27ff74b24a7aa1772d54a5319cf307f3eef82ac9169a30eb6ebb8b7b95
Manifest768126c436e3d61e58770fe06ed3f78b37bd35b6e479967afb9061d46ed1f227

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
Signaturee3auSQOayOwdJcYX7MsSZIZYQd+gGbIbifnzawzDAvtVIh+bY/KS5s1nrXSmSSZbtOReqiN3RhZRl4vI8yGiBg==
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

2026-09-17T11:11:31.882669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044876
observed a621ef27ff74b24a7aa1772d54a5319c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.863945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044876/manifest.json
observed 768126c436e3d61e58770fe06ed3f78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.837024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044876/publication.md
observed 25cd5214a9a54fcaa8720dff551cc178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.806688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044876/publication.txt
observed 11b07624049f51020663413c1ead2b41...
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.