OpenTechnical

OT-2026-000051189

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000051189) never changes.

Identity and time

Publication numberOT-2026-000051189 · never reused
Internal UUID01a0ae83-273f-7eaf-b67a-8b53025bab3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051189
StatusPUBLIC

Content hashes

Canonical text8d25af707adf55b4ca2127c5f7f7d48f21dd92dd240612589bb911e5dfefea36
Markdown82226f5c326b3387e23a8c146d9368bf0b33f3808f08be534b3dee7068aaf903
PDF
Publication page5987dbee6a82513d7b937d597b9510686ad7f492008c1a4d48d0cb373da1f51c
Manifest081e57152a854c8429b00c03fdb0da8935b5bd67fdc550a0b5ab900fff88f8d2

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
Signature2FIsx9TZG8HnUgtbRW2Q6Ug+wkTe718PMix/I+T1u7mUHkehsY3R2Bw3DtEewAQA1MnfA8fEfWtE6X+kHX6QAA==
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

2026-09-17T10:58:57.959507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051189
observed 5987dbee6a82513d7b937d597b951068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.941219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051189/manifest.json
observed 081e57152a854c8429b00c03fdb0da89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.921247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051189/publication.md
observed 82226f5c326b3387e23a8c146d9368bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.900943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051189/publication.txt
observed 8d25af707adf55b4ca2127c5f7f7d48f...
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.