OpenTechnical

OT-2026-000030809

Publication integrity record

Single cup vacuum gripper, 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-2026-000030809) never changes.

Identity and time

Publication numberOT-2026-000030809 · never reused
Internal UUID01a0ae74-3fb5-7a29-95c9-734fb1396afb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030809
StatusPUBLIC

Content hashes

Canonical text9542953de6378d6ea312b95d0ea5ff4bd03917b5a6bcf024f74f97b3f0c33606
Markdown24937ec3340d78a441fc69862bc842ca207fa0ce0fe777fed5b154ad2d670f7a
PDF
Publication page4b9ccf59d9a9e65d63d2afb4a29a2ee3bf41698ba67c11b0f7d88f6d61524569
Manifestcaaa2e8f38cf052d6ebb0dfdbc5d0ab43e15ed0588d9b6fe473eb7b681422d4d

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
SignaturemeQqxAYldes4og+QBDn+YmQXXK/yEYLkwzeScxKLcr6WGRo/P1ZFWMTURPAp79IZNAPlYEy2GDKTs9eQUxqeAQ==
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

2026-09-17T11:36:47.123787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030809
observed 4b9ccf59d9a9e65d63d2afb4a29a2ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.106814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030809/manifest.json
observed caaa2e8f38cf052d6ebb0dfdbc5d0ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.089051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030809/publication.md
observed 24937ec3340d78a441fc69862bc842ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.070306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030809/publication.txt
observed 9542953de6378d6ea312b95d0ea5ff4b...
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.