OpenTechnical

OT-2026-000095141

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000095141) never changes.

Identity and time

Publication numberOT-2026-000095141 · never reused
Internal UUID01a0ae9f-8f6e-7e53-ad12-c19d584f63b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095141
StatusPUBLIC

Content hashes

Canonical text28b30a7a5db484ddb26f1b61977c488c18e38c7b7e67cb5e3db41ba70dd7aee5
Markdown34df01777c272938e9cf1563f2043395134b7c1c1a666a2838c77e5829773d67
PDF
Publication pageee7f806a908991ca8aacf0cc045f0d00873dc6dec34508530ea995bde4d6e28d
Manifestcc8af18beafa91ed17540685ee04af0660ba2d56848aa29a048088eede5f4196

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
Signature541akBCOpBXhScjVG0xMLMMZN6BXYw1VzOHH6ZVlZiJDJM8/k6A8ndz5QVS8+EGJmYrTiqeUBxez1DJWMjLWCw==
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

2026-09-17T09:36:26.266231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095141
observed ee7f806a908991ca8aacf0cc045f0d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.246990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095141/manifest.json
observed cc8af18beafa91ed17540685ee04af06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.228616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095141/publication.md
observed 34df01777c272938e9cf1563f2043395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.210990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095141/publication.txt
observed 28b30a7a5db484ddb26f1b61977c488c...
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.