OpenTechnical

OT-2026-000041112

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000041112) never changes.

Identity and time

Publication numberOT-2026-000041112 · never reused
Internal UUID01a0ae79-b142-7f06-8a44-6f75b837af34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041112
StatusPUBLIC

Content hashes

Canonical textc4df72d293013541efe6a68983df1d20e2165e99c61b65d8830e1b8366b7e659
Markdown94a09d76652bf163e867b2a4f44cdd79379aa820a7f571bc188fe88d10ade557
PDF
Publication pageed061d4ac92a9df8e8abf7e55600877ce4aa31091309ca9e01f62b253baa5806
Manifest032b7af2f5a2b97ee004cb0ee5e143f595fcf9a020bf90aadf37166e638ee424

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
SignaturerMGpyMGMiUBDH5TbOOzbdxAl2cO3iw7eAFzElN8KPoMYW97T68nSbsjJJBNA16mjKyz0xfTg4GC1BuLgaXzJAA==
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

2026-09-17T11:17:02.645645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041112
observed ed061d4ac92a9df8e8abf7e55600877c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.626764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041112/manifest.json
observed 032b7af2f5a2b97ee004cb0ee5e143f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.606448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041112/publication.md
observed 94a09d76652bf163e867b2a4f44cdd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:02.587312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041112/publication.txt
observed c4df72d293013541efe6a68983df1d20...
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.