OpenTechnical

OT-2026-000005371

Publication integrity record

Vacuum cup gripper, per zone isolation, plant vacuum fed, contact triggered on the face

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-2026-000005371) never changes.

Identity and time

Publication numberOT-2026-000005371 · never reused
Internal UUID01a0a936-ede6-70da-a027-a114e76d07e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:44.489987Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005371
StatusPUBLIC

Content hashes

Canonical text43395da5abce455af59422ccaba747430b9693196a2a6e0aeb75974168a05d87
Markdown781747118dfc13997d0598c4497f5a3af987f90970eae538333a6a7123666b4d
PDF
Publication page44a20cef13eb9e8fe412f1940049ef66afdeabac2d1a5aba08f736d65d31fd35
Manifest74eba280e0907cfd259bacc3e49ae70bae46365397c3e92ab5e8c6fd928643d1

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
Signature/nhK48t3ms0sDNSCIvfr+/K5p62Lllwe5xuyvJqKCNsoHBJRu7eo9o8GTkbdSu2IWXzaIEC7qFccK9X/4nRbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:17.180247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005371
observed 44a20cef13eb9e8fe412f1940049ef66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.166294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005371/manifest.json
observed 74eba280e0907cfd259bacc3e49ae70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.142818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005371/publication.md
observed 781747118dfc13997d0598c4497f5a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.123383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005371/publication.txt
observed 43395da5abce455af59422ccaba74743...
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.