OpenTechnical

OT-2026-000087164

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000087164) never changes.

Identity and time

Publication numberOT-2026-000087164 · never reused
Internal UUID01a0ae9a-9f2e-7c83-b658-58544982f918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087164
StatusPUBLIC

Content hashes

Canonical textdfff8c6d7d94bb45b2c96c27850e29325a1996632985e760121561b1a738ce2a
Markdown734c98f0c83ad9020d5da1cd8f6677e4ffcb750779e8412ad03254380dc159d9
PDF
Publication page5a7bfd07a11b97c143c5fac8407939a16e65840101c158cb2716d9cab515d17c
Manifest3befb40a8492a91b40bbe82d7245bfd3a98e67b23a216837376f633ee303b124

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
SignatureuKKabEnOL5b4+fkLU9b3E2/iCdDJCqMlIBz1US0HWgNAdLi8h+pCIEJqzV4SDTmVtAXUVi28tvBmgczHAqvkBQ==
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

2026-09-17T09:51:25.910246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087164
observed 5a7bfd07a11b97c143c5fac8407939a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.890180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087164/manifest.json
observed 3befb40a8492a91b40bbe82d7245bfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.870305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087164/publication.md
observed 734c98f0c83ad9020d5da1cd8f6677e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.849944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087164/publication.txt
observed dfff8c6d7d94bb45b2c96c27850e2932...
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.