OpenTechnical

OT-2026-000058640

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000058640) never changes.

Identity and time

Publication numberOT-2026-000058640 · never reused
Internal UUID01a0ae88-f39d-7503-aff0-83af769d9774 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058640
StatusPUBLIC

Content hashes

Canonical text03a8aaa25d01d68b4789a63ccfc5af935f0ab62e18c56e5c04cd6b282e4b6371
Markdownedef5fc1576cd73bbc9b44836247178e1864c535d0a2e84d1ba3d2de42d06542
PDF
Publication page71e9d3acebfe4977c2422acad7b9bdaaee7a467db6e29de92ad4863d123de322
Manifest3b7ae6655ff4ee2036cea1f01637b2f73fc47b629da5db4a3e6d5cd5ad348ccd

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
Signature8CzhVhjwNpwqI5amhl2FZ+uLvaQAluFK4HEodfMEzDwpWo35RUYPh8hHjzvRaRLxWBcdsl3aymroMOT4wOZICg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:09.054137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058640
observed 71e9d3acebfe4977c2422acad7b9bdaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.036296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058640/manifest.json
observed 3b7ae6655ff4ee2036cea1f01637b2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:09.017772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058640/publication.md
observed edef5fc1576cd73bbc9b44836247178e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:08.999843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058640/publication.txt
observed 03a8aaa25d01d68b4789a63ccfc5af93...
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.