OpenTechnical

OT-2026-000044700

Publication integrity record

Single bellows cup vacuum gripper, pump fed, pulsed blow-off after set-down

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-2026-000044700) never changes.

Identity and time

Publication numberOT-2026-000044700 · never reused
Internal UUID01a0ae7c-39da-7fe7-8c09-ae4808c7f49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044700
StatusPUBLIC

Content hashes

Canonical textf269aec5ab2c205a8955b2ab1fd7a66b831605fde35b1846e137c1cdb08b5ad6
Markdown79af1302ce91db7c6782aac7853b1d1a66d0d91b0572e79455cf826e4ca8d1e4
PDF
Publication pagec01996f17b945c59b2d4bb6b48b38482f5b726ee59c4abd1add385dab7fe5e18
Manifest2ad7d719cf3c4f7279caf091ef36074644f0fbd59314d6da3a8e13b69c41276f

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
SignatureTAmP8i+kK4hS+LtXyu06H0oNaxnN7bfK+4HbOxHOTooOSDHEwJ9rQO4+5OWi35qEra/iCTfh3ztDuE9sgC4oDw==
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

2026-09-17T11:11:57.603390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044700
observed c01996f17b945c59b2d4bb6b48b38482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.584559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044700/manifest.json
observed 2ad7d719cf3c4f7279caf091ef360746...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.567405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044700/publication.md
observed 79af1302ce91db7c6782aac7853b1d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:57.547217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044700/publication.txt
observed f269aec5ab2c205a8955b2ab1fd7a66b...
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.