OpenTechnical

OT-2026-000007834

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000007834) never changes.

Identity and time

Publication numberOT-2026-000007834 · never reused
Internal UUID01a0ae6a-908a-7295-9bc6-3fd15777a621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007834
StatusPUBLIC

Content hashes

Canonical text3d49883047a4d4b8ef8c384ee672d75397243eba79cc29aa9e6b545e513e178f
Markdown3bee63de3534516698964a730d3f98d74b756951753dcdf4d3199583f61e956e
PDF
Publication page0a7cd4a4c3a8c68cdeaded8e334576302ada49b12fcee906daec379a570595ca
Manifest8b38eacc138d24faabb60514c394541fa9f663925788cebe6cea642c714021bb

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
SignaturemdZpQndNE2h7+uC0KM9wgh5nMXEiv9HPrxZuPbKinUQsY7KE5sqAsjq1sjluwjlMhP2wXXKk/EVuNN9P/nn4BA==
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

2026-09-17T12:20:17.098725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834
observed 0a7cd4a4c3a8c68cdeaded8e33457630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.080370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/manifest.json
observed 8b38eacc138d24faabb60514c394541f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.062746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/publication.md
observed 3bee63de3534516698964a730d3f98d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.045745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/publication.txt
observed 3d49883047a4d4b8ef8c384ee672d753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.202566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834
observed 0a7cd4a4c3a8c68cdeaded8e33457630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.183269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/manifest.json
observed 8b38eacc138d24faabb60514c394541f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.164550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/publication.md
observed 3bee63de3534516698964a730d3f98d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.144668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007834/publication.txt
observed 3d49883047a4d4b8ef8c384ee672d753...
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.