OpenTechnical

OT-2026-000005095

Publication integrity record

Vacuum cup gripper, four zone face, six outlet manifold, plant vacuum fed, pressure verified

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-2026-000005095) never changes.

Identity and time

Publication numberOT-2026-000005095 · never reused
Internal UUID01a0a92d-b259-726b-acb7-3660bd0db5ab · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:39.420201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005095
StatusPUBLIC

Content hashes

Canonical text5d3a0e0a8a2347eb9759e60b8ef633686b63139f8054536a16dc10b4c10f8478
Markdown3eac2a012a758c28fd7eb3af68281537763d9fcbfa6522fb63e8ad315742c1e4
PDF
Publication page4ae1efed521cacb2cc67a7d2ad37d6af76ffdfaf74c9b9ba8ffd9c42b6257fb8
Manifestdc52e627b08a2ac671fc20c92b77ad591f6ececc27f9548349e9eb682b0a6f22

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
SignaturePZaB3ear5izzefQuHTTGxaAXmpsEyJY3XZNrR7RllXDM2GL5WIJYW/NticLwzQRyzHrAr2qxiVn+uPJR9Cw+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:16.142802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005095
observed 4ae1efed521cacb2cc67a7d2ad37d6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.127831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005095/manifest.json
observed dc52e627b08a2ac671fc20c92b77ad59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.987795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005095/publication.md
observed 3eac2a012a758c28fd7eb3af68281537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.974719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005095/publication.txt
observed 5d3a0e0a8a2347eb9759e60b8ef63368...
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.