OpenTechnical

OT-2026-000047698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047698) never changes.

Identity and time

Publication numberOT-2026-000047698 · never reused
Internal UUID01a0ae7f-c41f-7f6f-9c58-f41b293322d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047698
StatusPUBLIC

Content hashes

Canonical text85d660d9246ad32f8d4789b6dfd3e920cc1996962489144b4296e1410ac83015
Markdownb2e3857333eae0a3ce9d9482d3dc2cb87575357b7c07750d2bef083f635a173f
PDF
Publication page7b377dfc0a2e4ac45a82d4b021cc2d881bcf48a0a5a7505c37ce90ea41ef09c4
Manifest64a7822684055647e017d6c23e84c95559e8626cb8d87cd9f8ed477fba0442c5

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
Signaturet8ptjdPB+cByHHV7q1f3w0p4F3D8j8gkVuGHIcSqfkk75HEYs22wxiJAwJiL4jfXNR488Z/6Lkt4WchXPFrdDw==
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

2026-09-17T11:05:33.227982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047698
observed 7b377dfc0a2e4ac45a82d4b021cc2d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.209317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047698/manifest.json
observed 64a7822684055647e017d6c23e84c955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.188499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047698/publication.md
observed b2e3857333eae0a3ce9d9482d3dc2cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.169609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047698/publication.txt
observed 85d660d9246ad32f8d4789b6dfd3e920...
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.