OpenTechnical

OT-2026-000079731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000079731) never changes.

Identity and time

Publication numberOT-2026-000079731 · never reused
Internal UUID01a0ae96-4375-7538-b60f-c0c9700ee6ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079731
StatusPUBLIC

Content hashes

Canonical textc1e87d66032012c95c740df83e5a053a71b0ffcb5577941ff6f9234029a223f2
Markdown2bfc8f947cab10d4401335122197f0f714383b199166c21900db2324e8666b06
PDF
Publication page58d3942cacf8b9bb0c89a13040c185e910f1d3521819a694a46a1c22ba895189
Manifest50c245a9e43330d62921353a19999c72c3a27e50a93ba868995e8b1904a723db

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
Signature1v6r3VQDyu3+Mxi61NSyWz+iykO1e7oisuVh993r3rMTECjwx4NDLbxn3jH5kr+O110K+e7NTwGlgKkXyQnGDw==
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

2026-09-17T10:03:35.853460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079731
observed 58d3942cacf8b9bb0c89a13040c185e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.834596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079731/manifest.json
observed 50c245a9e43330d62921353a19999c72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.816330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079731/publication.md
observed 2bfc8f947cab10d4401335122197f0f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.796824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079731/publication.txt
observed c1e87d66032012c95c740df83e5a053a...
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.