OpenTechnical

OT-2026-000087332

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained blow-off before 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-2026-000087332) never changes.

Identity and time

Publication numberOT-2026-000087332 · never reused
Internal UUID01a0ae9a-cd4e-787e-8f9b-e2ae03bdefcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087332
StatusPUBLIC

Content hashes

Canonical text3b07b17823e372e4ffd0dcb71aa07a64c40b86f33ee69ece3b2daf6477e11898
Markdown4b79c3f33667066795bce692eefda1fc04b007b4b316772752d598e17a3e5d54
PDF
Publication page31ff979e50791a165dd8b2099e95563248450f7b3f8d0e9d60eb6a5380f7ea4a
Manifest2b872d933acdb64ce97344a058574298f7642998ed5f831eb404421bf29768a5

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
SignatureWqmQELycNcf/6PqEsWnrSrl7DiwDEWwU4uc/buhOlSfwWOmKJU49rW9BgtPxWd1RwO7GZstJtyBQwYTPJVQlDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:30.043209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332
observed 31ff979e50791a165dd8b2099e955632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.038433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332
observed 31ff979e50791a165dd8b2099e955632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.023480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/manifest.json
observed 2b872d933acdb64ce97344a058574298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.020862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/manifest.json
observed 2b872d933acdb64ce97344a058574298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.007809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/publication.md
observed 4b79c3f33667066795bce692eefda1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.004355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/publication.md
observed 4b79c3f33667066795bce692eefda1fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.991158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/publication.txt
observed 3b07b17823e372e4ffd0dcb71aa07a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.986722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087332/publication.txt
observed 3b07b17823e372e4ffd0dcb71aa07a64...
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.