OpenTechnical

OT-2026-000075934

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075934) never changes.

Identity and time

Publication numberOT-2026-000075934 · never reused
Internal UUID01a0ae94-29ff-7948-984d-f40d661c3a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075934
StatusPUBLIC

Content hashes

Canonical text775165efae39e6e79c14ea8fbd859fe3866bfeea297a50bfb2d1d41dbb1d330a
Markdown336a30f83326c81adccd4e5dcbebe58654a657d34017efad56a05ec097173b35
PDF
Publication page4a80590956940b6ba8b8ad917c26df2a4df66fd1c38bc991fb1fd54cf543f84d
Manifestd5f5b649950024ea8bb30a3f6df24770331884452c7bfd860059ca00895eb135

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
SignatureEq+b9rZilurFBqNWVhf2Q1Bmc50bR78ILu1fXGvXbrl2CA8go1FA58t3tOZW49YP6cFYEhVphcl+SwsZ+eCvAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:02.919785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934
observed 4a80590956940b6ba8b8ad917c26df2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.901876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/manifest.json
observed d5f5b649950024ea8bb30a3f6df24770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.881367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/publication.md
observed 336a30f83326c81adccd4e5dcbebe586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.853223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/publication.txt
observed 775165efae39e6e79c14ea8fbd859fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.558421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934
observed 4a80590956940b6ba8b8ad917c26df2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.539293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/manifest.json
observed d5f5b649950024ea8bb30a3f6df24770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.522532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/publication.md
observed 336a30f83326c81adccd4e5dcbebe586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:51.504396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075934/publication.txt
observed 775165efae39e6e79c14ea8fbd859fe3...
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.