OpenTechnical

OT-2026-000103215

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103215) never changes.

Identity and time

Publication numberOT-2026-000103215 · never reused
Internal UUID01a0aea4-be3f-78d0-a2ef-c918b68fcd14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103215
StatusPUBLIC

Content hashes

Canonical texte1c552e17c26c17631f8298479d6405cf1ec36c3cc42c074fc7c886dff21d3c6
Markdown26e6c540db42cfe6102b4dc54dc5375b735984132b9cf9d57fa7ab3ef30dd67d
PDF
Publication pageaf5013136f2336f4d77ef1035bffca26e5b434d39d86c51d37ecc9722e5ed70b
Manifestcbfaa5989688297f892e9d1ad068bfc5e3f2d7103516ed76cbd4ff01f3d63e8c

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
SignatureuhTaegxt8MPyWHM2svAmyeQ6oFKlpgnrQzSQ+JDuvzF0xxWL3qP0GYTtyk+yApTxw3O7pK/yYbAw2IBcpzj9Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:26.639464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103215
observed af5013136f2336f4d77ef1035bffca26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.621898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103215/manifest.json
observed cbfaa5989688297f892e9d1ad068bfc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.602555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103215/publication.md
observed 26e6c540db42cfe6102b4dc54dc5375b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:26.585385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103215/publication.txt
observed e1c552e17c26c17631f8298479d6405c...
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.