OpenTechnical

OT-2026-000091482

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000091482) never changes.

Identity and time

Publication numberOT-2026-000091482 · never reused
Internal UUID01a0ae9c-f16d-7f20-9a11-e240458dda16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091482
StatusPUBLIC

Content hashes

Canonical text741b64d02e6e0d82abbf09ac80a818d7824aa9298b70529a1a9401383501f1e5
Markdownd9e670a600b1df5f819f72d8363a326c9049fae22809414cb7a2c8d0d715a4f2
PDF
Publication page62e040aa2ff886f6678e05532a93689e787a8aa30da4968ef8b11558b2014a09
Manifestec2790f44b1df6a7d310ac85d3695cbddaed0c726b985e6e51d9ece76a47515d

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
SignatureC6wLWD7pUJU6oNoFjeifub/v6nNcHh/IhP9pW6kKhKw7/c75iSd4YHmpZyrn9SOZB72oKBH8lJz0S3Cll6tYBg==
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

2026-09-17T09:43:44.115119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091482
observed 62e040aa2ff886f6678e05532a93689e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.097558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091482/manifest.json
observed ec2790f44b1df6a7d310ac85d3695cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.081508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091482/publication.md
observed d9e670a600b1df5f819f72d8363a326c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:44.061348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091482/publication.txt
observed 741b64d02e6e0d82abbf09ac80a818d7...
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.