OpenTechnical

OT-2026-000018959

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000018959) never changes.

Identity and time

Publication numberOT-2026-000018959 · never reused
Internal UUID01a0ae6e-d522-7630-a628-57120da5ec61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018959
StatusPUBLIC

Content hashes

Canonical textd7156802d7d27d37bee9f314ccd51fc1f26f24b9ead1baa9359fce3c42f9cc9b
Markdown2a1821e1a0d2aeb52aeb060c29dca6bc7f7f0c007d08178cb9638fcefd2d43e0
PDF
Publication page9ac2e5ee7a8abf7da35fd9a7ef0e267ee1184878ffffe45b4204675794828fb6
Manifestc1c51622bc59e80c7702f067054ea31a1a3de1f13258bbe8c8593eb76cbc226e

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
SignatureQwRX/yT8ISim85GIFg8FaUSDZ52nh/FVntdisDoUOEBvleT9cH9hOoMkzASsDTvtY0jckPk75uU/upXy2k2SCQ==
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

2026-09-17T11:59:37.996178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018959
observed 9ac2e5ee7a8abf7da35fd9a7ef0e267e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.977676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018959/manifest.json
observed c1c51622bc59e80c7702f067054ea31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.956239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018959/publication.md
observed 2a1821e1a0d2aeb52aeb060c29dca6bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.936718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018959/publication.txt
observed d7156802d7d27d37bee9f314ccd51fc1...
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.