OpenTechnical

OT-2026-000032630

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000032630) never changes.

Identity and time

Publication numberOT-2026-000032630 · never reused
Internal UUID01a0ae75-1070-790d-ae26-33fd6bb55f20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032630
StatusPUBLIC

Content hashes

Canonical textae02442547e0fcf40c681e9411c72dcf8b1196e84d7ccde671897287d0f2cf03
Markdown4acfd3dda972c25f33d0961af522c6396d140f03ba77d41377db52f93631a3f1
PDF
Publication page4b93453388560a55704db0d0539cf9d0ac44998646d142fea8af9c5e2ca149ff
Manifest62659f516f11d238ca7d8eb10cd9e91e41ef86ee7bde408e4891b27609d77d37

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
SignaturelP0BatdPNB7wkXcRA8cm91ip5dUV+NkmCBtugLwQET4cLosCNPb0L0RYIZUZtxTCuJh0yxdLEA02+DlMShxNDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:13.124691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032630
observed 4b93453388560a55704db0d0539cf9d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.106482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032630/manifest.json
observed 62659f516f11d238ca7d8eb10cd9e91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.088923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032630/publication.md
observed 4acfd3dda972c25f33d0961af522c639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:13.065932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032630/publication.txt
observed ae02442547e0fcf40c681e9411c72dcf...
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.