OpenTechnical

OT-2026-000099941

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, sustained 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-2026-000099941) never changes.

Identity and time

Publication numberOT-2026-000099941 · never reused
Internal UUID01a0aea3-1473-7c34-900e-8ada1d6fff13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099941
StatusPUBLIC

Content hashes

Canonical text9270008ae958f8f14430366a22a48713c1770bb866632bdd957e1d7a9131c42b
Markdown7fa6297397abc2377da7dd58645f84f4d9bc181359d5a0049645f0bf50eb4706
PDF
Publication paged4f1918a92c4ba22560a54f39e547ef23bbc7b77a219058a77b154c8621027db
Manifest5285c494db3977ead2f4f00dfdd91257a3ae93bbce6c753d980f564f3a9610da

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
SignatureDo5GEGqakEmjX4sWYT0nJyeD6eGY/dHBWcNQ4cIYRBGkmfrMYzl3fCP43cjXNnG0bksd6uxfpyNXAqx/goZvCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:35.453380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941
observed d4f1918a92c4ba22560a54f39e547ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.414808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/manifest.json
observed 5285c494db3977ead2f4f00dfdd91257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.396630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/publication.md
observed 7fa6297397abc2377da7dd58645f84f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.359736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/publication.txt
observed 9270008ae958f8f14430366a22a48713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.026088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941
observed d4f1918a92c4ba22560a54f39e547ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:51.007466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/manifest.json
observed 5285c494db3977ead2f4f00dfdd91257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.967799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/publication.md
observed 7fa6297397abc2377da7dd58645f84f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.930909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099941/publication.txt
observed 9270008ae958f8f14430366a22a48713...
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.