OpenTechnical

OT-2026-000011155

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000011155) never changes.

Identity and time

Publication numberOT-2026-000011155 · never reused
Internal UUID01a0ae6c-540f-76c5-8ff1-649c7ea1b273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011155
StatusPUBLIC

Content hashes

Canonical textdbf7b82701c720838acb828a7264d12610bbdc47521ea5ae79297c788aed52be
Markdownc35c23f6d45a43ee741e6b865359a69669f48977c9ca507ff49446d24711ac4d
PDF
Publication page412eb2ff5c5b34535fc4dcb86717acb8d8471dcf2592935068bd9224e204fc57
Manifest3a1bb1f41d3bd9622c9a21591e9af8fa6f96c7eb5c2549be47b5dc0c80c7aa36

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
Signatureu8dNKSWSKzZF4RDLGQ9FW0XRnEyyGbGnDvjJ+tfo8BRG56focRuycXgyBuZDaAJMwohngmC8CjFGTjJ5o04/Cg==
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

2026-09-17T12:14:05.172014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011155
observed 412eb2ff5c5b34535fc4dcb86717acb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.151181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011155/manifest.json
observed 3a1bb1f41d3bd9622c9a21591e9af8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.129254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011155/publication.md
observed c35c23f6d45a43ee741e6b865359a696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:05.107968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011155/publication.txt
observed dbf7b82701c720838acb828a7264d126...
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.