OpenTechnical

OT-2026-000041541

Publication integrity record

Single cup vacuum gripper, three stage ejector, sustained 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-2026-000041541) never changes.

Identity and time

Publication numberOT-2026-000041541 · never reused
Internal UUID01a0ae79-e89f-7344-be5c-6270004f151c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041541
StatusPUBLIC

Content hashes

Canonical text3e36576198b3b40621d7ab921f65c39bdd040f79c0f25729d5b8acf1177bd0b6
Markdown0c93d04e734246341e6cc22cdfa9e37e403c95538a211ca0c873b6a469b1abf6
PDF
Publication page6110137bff473d6249ad9f5a7fa873372065227e918d1a55c9a843148515ee0c
Manifestf1afdc9b2308adf238b4d2d236d1f524b1629d86b52dae0cbb3fc78da39b806c

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
Signaturen5pXyWNOSVRWnt2B7jn7mS9qo6t8RaQQtmj9PI4PukPZG+KZfttL06wF/ipiCc0rTe6phkyAAt+wzmiz0J3hCA==
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

2026-09-17T11:16:18.971482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041541
observed 6110137bff473d6249ad9f5a7fa87337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.955844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041541/manifest.json
observed f1afdc9b2308adf238b4d2d236d1f524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.938650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041541/publication.md
observed 0c93d04e734246341e6cc22cdfa9e37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.921906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041541/publication.txt
observed 3e36576198b3b40621d7ab921f65c39b...
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.