OpenTechnical

OT-2026-000051193

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000051193) never changes.

Identity and time

Publication numberOT-2026-000051193 · never reused
Internal UUID01a0ae83-273f-703f-89c2-5b10ee7dedb3 · 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-2026-000051193
StatusPUBLIC

Content hashes

Canonical texta079d1a1d9076dd914a8a49af6e5d7020a770fc7fb61201085ca352e222ec5f7
Markdown6a5331ab873a9252b8da46fe64ccc5b6999550e4e5298b64a61ad11cb90940c2
PDF
Publication pagee35dd15c13f4bd22d0d23da34b589e5ff7c078a85a1c1e83fd68a145b8eb8281
Manifest15f656a5f658125ae1d446828173001063050a8327fda7f67785328d3b4fc7fa

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
SignaturebWu7WOdFWlXG5qLQogfaNdXKHUNtM5XE9W+QU5rjU0Ttho915qKKtY/4i7fwyOcfQ+uSWONSvN4NXp3K1wL2CA==
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

2026-09-17T10:58:58.311715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051193
observed e35dd15c13f4bd22d0d23da34b589e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.292846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051193/manifest.json
observed 15f656a5f658125ae1d4468281730010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.275185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051193/publication.md
observed 6a5331ab873a9252b8da46fe64ccc5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.258551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051193/publication.txt
observed a079d1a1d9076dd914a8a49af6e5d702...
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.