OpenTechnical

OT-2026-000052093

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000052093) never changes.

Identity and time

Publication numberOT-2026-000052093 · never reused
Internal UUID01a0ae83-e78f-7071-92ca-99ace13700dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052093
StatusPUBLIC

Content hashes

Canonical text8e051384856a02afae3eb021dda33b117b86d30941531b420d7d34a7a309f2f2
Markdown57f62b068afce9b82818320fc1921f3551e1e3e8e5c8c73f1c25e618193dcb3b
PDF
Publication page88250af8cfd4b0b16e944aa372df1a2dc6bdc626df88d76696a5fcb640d5c916
Manifest2018ac9f302fb72c7749c7b707c84378e793f936b22fb16b9f6f6fd19f7aa42c

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
SignatureX7FTJMZrE0e34a/Ivf/BFhpaZyS69oWZA+lnc4nLgIvYMMZQYP1eP3oCRuwsKTupNWakyG5Cdj3YPs/AllatAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:37.637143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052093
observed 88250af8cfd4b0b16e944aa372df1a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.618747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052093/manifest.json
observed 2018ac9f302fb72c7749c7b707c84378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.599462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052093/publication.md
observed 57f62b068afce9b82818320fc1921f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:37.577912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052093/publication.txt
observed 8e051384856a02afae3eb021dda33b11...
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.