OpenTechnical

OT-2026-000044868

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000044868) never changes.

Identity and time

Publication numberOT-2026-000044868 · never reused
Internal UUID01a0ae7c-911b-7216-8659-09cfc2cdab34 · 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-2026-000044868
StatusPUBLIC

Content hashes

Canonical textcb086fae2f3e8c2f4c66bd7876167758cfa7f1b7c182e9e120a8a00b9ac08708
Markdown4bca8022a4953559b170b2663490028c9f65cb2544c2b09db76ced38ab639d43
PDF
Publication paged655286b7dffa2ee79e268d8d5adbe78c75652fb4217f2a7630688007e344ccf
Manifest1f09e4e2b98c5f608b9c5e385ade4029b323881b8d83aa5026c79d4ab3e4f0c5

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
Signature+ZBNHkzct50h9mpgFNhO0OX90lXkHtio7cc/72mtcfFDDVFpb3uD3OF25Usj5lLqJJuQky5rq70Ix1XJ8lHwBw==
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

2026-09-17T11:11:31.239909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044868
observed d655286b7dffa2ee79e268d8d5adbe78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.219463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044868/manifest.json
observed 1f09e4e2b98c5f608b9c5e385ade4029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.201813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044868/publication.md
observed 4bca8022a4953559b170b2663490028c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.182480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044868/publication.txt
observed cb086fae2f3e8c2f4c66bd7876167758...
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.