OpenTechnical

OT-2026-000090384

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000090384) never changes.

Identity and time

Publication numberOT-2026-000090384 · never reused
Internal UUID01a0ae9c-7f2d-7165-b18a-687b8e52397f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090384
StatusPUBLIC

Content hashes

Canonical text67cef1a665f3e1d25f3ac4d1120dbcb632f366e6987d74224e2acd027e37adb7
Markdown6573e6d0a5bce19f6b98dd84af6fb02eb1c91158b4bde505b9911a6cc1cea0e7
PDF
Publication pagefcf631d308e4b742ac6a056ccc7ad6d91846854cb0fbac2e63c64220eea6d0ce
Manifest87dcf6fb3de98e611c817d377980c7ef4ec2d360db9d50b53e9f6e70cb48b74f

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
Signature0icTJXgOQEjS5MQpiQcF4L1IKspozi63zzqP5JZTfpDLroEJ4IGcvb9pfA9aarQYwWF2KlHiG8/zz3dm0u+zDA==
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

2026-09-17T09:44:29.439384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090384
observed fcf631d308e4b742ac6a056ccc7ad6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.422605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090384/manifest.json
observed 87dcf6fb3de98e611c817d377980c7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.404169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090384/publication.md
observed 6573e6d0a5bce19f6b98dd84af6fb02e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:29.382286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090384/publication.txt
observed 67cef1a665f3e1d25f3ac4d1120dbcb6...
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.