OpenTechnical

OT-2026-000034185

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000034185) never changes.

Identity and time

Publication numberOT-2026-000034185 · never reused
Internal UUID01a0ae75-df0d-7e6b-a823-d7df169b962a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034185
StatusPUBLIC

Content hashes

Canonical text152cd5cc78d106dd1d6c0c05a2c0de5bbe218840f05e4ff61dbbb0008e099cc1
Markdown4bb33127457bce3651ffca711cca533db512eef03054c77f6b361bf1a2d1dc07
PDF
Publication pagefbc4d0e1fad6d037bf601366a03553b79372793bcbb92cec2901e0f09dd6c6f7
Manifestba6bf94fef5571b1979bd65998bc295278d8d57ab77d644fc74cd2f28b0e2fbb

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
Signaturel74M4xu6C9BpBNKVa3GhFteKcD1WDDScIxd8qmExJph01HfZgUE2ADBZqrJuFXGq58oRAkkxMn7RINZq1Bw/Bg==
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

2026-09-17T11:30:43.343775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034185
observed fbc4d0e1fad6d037bf601366a03553b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.303785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034185/manifest.json
observed ba6bf94fef5571b1979bd65998bc2952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.287818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034185/publication.md
observed 4bb33127457bce3651ffca711cca533d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:43.269951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034185/publication.txt
observed 152cd5cc78d106dd1d6c0c05a2c0de5b...
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.