OpenTechnical

OT-2026-000047195

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000047195) never changes.

Identity and time

Publication numberOT-2026-000047195 · never reused
Internal UUID01a0ae7e-d0f9-7011-9e3c-09e241471407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047195
StatusPUBLIC

Content hashes

Canonical text540a87cb62cfc660ddad08d34fde54801c783ad3e2896bc9d8ea307b2f7a169e
Markdown30ce57113b06e45c3dc506c97a514c16d5c754871a43ba33327e54f465572920
PDF
Publication page8110c1e7dcb467ce32c6611a0942cf765dc879d77fe1828c136059d281353707
Manifestcb890881be2367dba5b7d587e31af36b15bcc8c6e9e9395cb0114f61827aa7fd

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
SignaturedgadGC+llwhslST6tS22mDskNQoQWcn72jGBKmYifZPq168VotBGkLyFC1IqY7GPI0uI5hNQ303+blu0ykrWBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:34.369589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195
observed 8110c1e7dcb467ce32c6611a0942cf76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.352933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/manifest.json
observed cb890881be2367dba5b7d587e31af36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.334402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/publication.md
observed 30ce57113b06e45c3dc506c97a514c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.314316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/publication.txt
observed 540a87cb62cfc660ddad08d34fde5480...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.390340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195
observed 8110c1e7dcb467ce32c6611a0942cf76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.363085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/manifest.json
observed cb890881be2367dba5b7d587e31af36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.344488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/publication.md
observed 30ce57113b06e45c3dc506c97a514c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.324901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047195/publication.txt
observed 540a87cb62cfc660ddad08d34fde5480...
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.