OpenTechnical

OT-2026-000006484

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, contact triggered on the face, silicone cups

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-2026-000006484) never changes.

Identity and time

Publication numberOT-2026-000006484 · never reused
Internal UUID01a0a95c-dbad-7ee9-9c69-81ed44ff436a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:10.192877Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006484
StatusPUBLIC

Content hashes

Canonical textf1b45432484fb21dfe81b757f4c50b67b99cbe7f0554a4aea4368c375e12c250
Markdown7d74e405a367f004e2396c49800edf01f586bfdc85cfa9c98577a07d7ab94321
PDF
Publication pagec4f02b2eeab8a20d6943ed76a238b666bc5f021ff444577ffc14af3a8b56296e
Manifest22216dae701297c315de15526c8f83d0b1761f9cb7a2e1d84732c154ca343ea8

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
Signatureiob8ep6f+7rXUbdFyAqg4OeOmRxeDSJDrePNErhuE7YUnD2m4so0ZyuftmqBa2V8EkARo0NWIfudbY0qGtgvCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:12.383829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006484
observed c4f02b2eeab8a20d6943ed76a238b666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.253097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006484/manifest.json
observed 22216dae701297c315de15526c8f83d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.239026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006484/publication.md
observed 7d74e405a367f004e2396c49800edf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:12.223424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006484/publication.txt
observed f1b45432484fb21dfe81b757f4c50b67...
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.