OpenTechnical

OT-2026-000040938

Publication integrity record

Foam pad vacuum gripper, two stage ejector, sustained 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-2026-000040938) never changes.

Identity and time

Publication numberOT-2026-000040938 · never reused
Internal UUID01a0ae79-6d10-77cd-8f98-98da21352e63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040938
StatusPUBLIC

Content hashes

Canonical text162bb34f7cdf870594914381cb6e454346a692351130dc2b9184c57d488c2dcc
Markdown2c757ee6c9e8c7266899e55b8cc984ae007549c895ccd83b14deff4a542e19df
PDF
Publication page11fb583657113862f09c0c6d33c90774dbe98274860f9eae383a7f3efee37635
Manifestb9ea0e96f97fe193d61ac3afce3b79310f67f0e794e34017c7768ba6cee003f7

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
Signature04fta5+eYt6vOJWczPZp7HwZuiFhGnKu/ErN46PMs3MTSG2IIgrX0vIYDYHH4JhvXLafrkXGgtvjfsdfb7mABQ==
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

2026-09-17T11:17:32.163030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040938
observed 11fb583657113862f09c0c6d33c90774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.145498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040938/manifest.json
observed b9ea0e96f97fe193d61ac3afce3b7931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.121318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040938/publication.md
observed 2c757ee6c9e8c7266899e55b8cc984ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:32.095828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040938/publication.txt
observed 162bb34f7cdf870594914381cb6e4543...
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.