OpenTechnical

OT-2026-000009420

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, vented 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-2026-000009420) never changes.

Identity and time

Publication numberOT-2026-000009420 · never reused
Internal UUID01a0ae6b-7561-7e3c-821f-32624e449948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009420
StatusPUBLIC

Content hashes

Canonical text446cd8f356da95dbf46fdb82b3208f5b7f19609ee44aa107f70788a37008c04a
Markdown31319aad6e88db840944d0c2106c1feb35c3c69ca53acf536cf43d21d1cb9aa6
PDF
Publication page47fb918eb6aac9ff292260252153143b736c1c7ad0e7f1100f00fcb3a5f6db4d
Manifest37e9973489af8645561c6ce7b10adaf8b1176a165342f929dcd8267e58711a67

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
SignaturelnP0ODCV/CN7U0VGAMNPE7K7p8KW8kE92IWvgKaEgka9cR/VUFdXFxuD68zNVJcpi5zPjfxPurxOgchADdQHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:42.336050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009420
observed 47fb918eb6aac9ff292260252153143b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.318586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009420/manifest.json
observed 37e9973489af8645561c6ce7b10adaf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.298814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009420/publication.md
observed 31319aad6e88db840944d0c2106c1feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:42.279850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009420/publication.txt
observed 446cd8f356da95dbf46fdb82b3208f5b...
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.