OpenTechnical

OT-2026-000103910

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000103910) never changes.

Identity and time

Publication numberOT-2026-000103910 · never reused
Internal UUID01a0aea5-15e7-7225-b0f3-823eb5dd805d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103910
StatusPUBLIC

Content hashes

Canonical text06b44e0ef72ca345b32601fa52435275bc21340f95b57bb6a016db8f10ec7d47
Markdown01749a11be074f8451ef8c29aba3a446558e56871530cd8a3afeb7b2566e2d58
PDF
Publication page68a717fe491dd009cb38937780c2949f3b4d1f4f1354780e6a242748bb0a1e1d
Manifest083f7614ad9647852f4ee0c92cf20e9a0ab10fe284a437834e2f422ad73d075d

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
SignaturePlbwKffOKODYMJOj+zqvQ/HixX4FTpQKEhAHWLhy3oDKfpJkpk4bXtz5n5veUdy3IZDAPPAmZQJjzd95Ova6Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:54.222993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103910
observed 68a717fe491dd009cb38937780c2949f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.206949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103910/manifest.json
observed 083f7614ad9647852f4ee0c92cf20e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.190037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103910/publication.md
observed 01749a11be074f8451ef8c29aba3a446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:54.171919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103910/publication.txt
observed 06b44e0ef72ca345b32601fa52435275...
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.