OpenTechnical

OT-2026-000079551

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000079551) never changes.

Identity and time

Publication numberOT-2026-000079551 · never reused
Internal UUID01a0ae96-0b92-7130-9506-f25003e105d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079551
StatusPUBLIC

Content hashes

Canonical text7b6ce69e800fdf0004defa6d383104fe7b6264d1ec0fe7fde9ea4747e07869d4
Markdown5f7e257829b1407266a13af1065faa7eae1aeff75ffaf85ebdb2c9c866b88c48
PDF
Publication page5e2704c7699b2a3746d104b0c33b1c788c4871bc5c96f90b6a22166b05c133c2
Manifest6ff2259de078ca0beb2897296d342d42ec3f03287d0a5aea13e4861562468e6e

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
Signaturek2xCeifHpS6J/xdng4xvMpE+Wi8Yl5TUJQ8cyxMpDsVGZNxscf+QgslMlwfXhqLRHH1ZaphFY64cOx3+ef9CBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:12.045842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079551
observed 5e2704c7699b2a3746d104b0c33b1c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.028166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079551/manifest.json
observed 6ff2259de078ca0beb2897296d342d42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:12.011096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079551/publication.md
observed 5f7e257829b1407266a13af1065faa7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:11.992722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079551/publication.txt
observed 7b6ce69e800fdf0004defa6d383104fe...
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.