OpenTechnical

OT-2026-000012268

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000012268) never changes.

Identity and time

Publication numberOT-2026-000012268 · never reused
Internal UUID01a0ae6d-39f5-77bd-ae49-54a959550e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012268
StatusPUBLIC

Content hashes

Canonical text6f0b17487cb8914b2fd4603ead7d0d886a9ffe5269bb8c3773b145206e13e1ac
Markdowne8854d7907f31c44fd600027986a42dbe86ae14c7cc63b7c3e38de78eae2e1d6
PDF
Publication pagee3067c1edef0af1cb75db5431d6a7a371e92ee6f5a94b92601b2a47fe919814a
Manifest471c4f51d9e3d5c87add66c0eff2c3e8926b7e34a3a61b2b038751504d6808ee

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
SignaturezNcDVrmFDA/Z5z8rtvaejRIgS30xVOM7zHv+OrMiIyfjz1Je2q9UMXB8DLHnTFCFbQ4FmQK1Tp//qHq8yWaVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:12.194121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012268
observed e3067c1edef0af1cb75db5431d6a7a37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.174512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012268/manifest.json
observed 471c4f51d9e3d5c87add66c0eff2c3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.155161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012268/publication.md
observed e8854d7907f31c44fd600027986a42db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.137087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012268/publication.txt
observed 6f0b17487cb8914b2fd4603ead7d0d88...
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.