OpenTechnical

OT-2026-000095413

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000095413) never changes.

Identity and time

Publication numberOT-2026-000095413 · never reused
Internal UUID01a0ae9f-8f72-73eb-bb5d-8c683dd70860 · 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-2026-000095413
StatusPUBLIC

Content hashes

Canonical text3b3cd834b672095de6e23e9d86803ab7dfd69f6013af1c2d74f2b10c88ad4b75
Markdown4a7cb2504553634d87f6114eab50d799a5b8d437752f779506ed8a2134404442
PDF
Publication pagebf77fb5fc3775955dabaabf6d7942027c0588a35d7fef92e0d88d98af55cf75c
Manifest205d8aeac5051873216fc03a4f9e9f4182e730f8e84e98b0bdb46d8c77b0fb36

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
SignatureFw7i/a8wiNeIoME09W1R1mC8zf9On/oIppEEJK66XQgHHthCSIGle6SAQAEFgtPqL9rDcsSyb/V3TUc/grP5Cw==
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

2026-09-17T09:36:47.504560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095413
observed bf77fb5fc3775955dabaabf6d7942027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.488772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095413/manifest.json
observed 205d8aeac5051873216fc03a4f9e9f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.471892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095413/publication.md
observed 4a7cb2504553634d87f6114eab50d799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.453708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095413/publication.txt
observed 3b3cd834b672095de6e23e9d86803ab7...
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.