OpenTechnical

OT-2026-000023693

Publication integrity record

Single cup vacuum gripper, three stage ejector, sustained 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-2026-000023693) never changes.

Identity and time

Publication numberOT-2026-000023693 · never reused
Internal UUID01a0ae70-aed4-73b0-9637-f2c86aa69f7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023693
StatusPUBLIC

Content hashes

Canonical text99f37526b5932508db20f179a40eb8f40f33f343162fc69282ab4edb6371110d
Markdown65a89c005123853fcfc8355cb072e41e9a41161cafac77ea325185e217dec15b
PDF
Publication pageb45dd3a5154a6cbeb83eecf91dbb37508f32bf6f180a19ae6fc5aebe164bc5de
Manifest5b84fa22369389651567c6d33232a2e3ff22961ca2b50ae0f2bb04f818eeabc9

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
SignatureWzonrsOrGobAqQQM9dWfPSu4rXlnvqB87W7jD/QPRqaf1k9P0djf2C+Z5pLAg41AXvazjBrwjC5twd30UCt6CQ==
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

2026-09-17T11:50:01.333780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023693
observed b45dd3a5154a6cbeb83eecf91dbb3750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.313367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023693/manifest.json
observed 5b84fa22369389651567c6d33232a2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.293119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023693/publication.md
observed 65a89c005123853fcfc8355cb072e41e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.273316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023693/publication.txt
observed 99f37526b5932508db20f179a40eb8f4...
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.