OpenTechnical

OT-2026-000051105

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented before 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-2026-000051105) never changes.

Identity and time

Publication numberOT-2026-000051105 · never reused
Internal UUID01a0ae82-c7b6-7509-a414-24e20299c7ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051105
StatusPUBLIC

Content hashes

Canonical textfd1a333919de0e1c1d09931773cf6f5e3f607cc70fd8cdeff79b65501ff4bd0f
Markdownf6e61808f84f77aedfb13745ed74f6de3914ad963119b1dc8aed6c6e7948e434
PDF
Publication page7f896f9cb4746b59e9a44debf338d4417ba3d73d1645351807dcc28a8a8240a0
Manifest6392d97ec3b7437601c179b9ee35d9385bc97604fe2cf858c78b1167f923145c

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
SignatureZOoBOm3SrIiwyiDhqHXqvdLScxJcX8okWCxlFugTGME/1qZ7QfBQ07C3Nz4cJR8Yk9RLwuCwY7SoTtCFsz6nCw==
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

2026-09-17T11:01:02.916534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051105
observed 7f896f9cb4746b59e9a44debf338d441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.898042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051105/manifest.json
observed 6392d97ec3b7437601c179b9ee35d938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.879997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051105/publication.md
observed f6e61808f84f77aedfb13745ed74f6de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:02.860089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051105/publication.txt
observed fd1a333919de0e1c1d09931773cf6f5e...
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.