OpenTechnical

OT-2026-000023733

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000023733) never changes.

Identity and time

Publication numberOT-2026-000023733 · never reused
Internal UUID01a0ae70-aed4-757c-ac0a-c57c4d60d3a4 · 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-2026-000023733
StatusPUBLIC

Content hashes

Canonical text8a206d55563ffafbe19f62a117c87f11e2cd1176f942a70830724997d82581b2
Markdown6418c0471159bc49cfe59966fe7211750874b7274311ea21b3fb6a09db30b4ff
PDF
Publication page701ff352f428041b077d821401c23848fff9dbf66585a453dd90865697f0210f
Manifestdd1a1b19ca1e9b84fac66b6d6cc5ff8671920cf184b86ba5e05fd16fd6a27d10

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
SignaturevbfkMup1ObQc1XABJIPqKu/edpTrY2bPj3s6dmJLyPWlns1mGlMPwOdjoVeHd4ivvjf7AkC0jKdxbEfLCWN5CQ==
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

2026-09-17T11:50:46.898989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733
observed 701ff352f428041b077d821401c23848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.841304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/manifest.json
observed dd1a1b19ca1e9b84fac66b6d6cc5ff86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.815519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/publication.md
observed 6418c0471159bc49cfe59966fe721175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:46.758485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/publication.txt
observed 8a206d55563ffafbe19f62a117c87f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:47.987606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733
observed 701ff352f428041b077d821401c23848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:47.969647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/manifest.json
observed dd1a1b19ca1e9b84fac66b6d6cc5ff86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:47.933482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/publication.md
observed 6418c0471159bc49cfe59966fe721175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:47.900809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023733/publication.txt
observed 8a206d55563ffafbe19f62a117c87f11...
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.