OpenTechnical

OT-2026-000052341

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-2026-000052341) never changes.

Identity and time

Publication numberOT-2026-000052341 · never reused
Internal UUID01a0ae83-e792-7c4e-88f6-c81f9931997f · 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-2026-000052341
StatusPUBLIC

Content hashes

Canonical text5ac9df175a033f43b5ede2408cbe63591d09a8341e42d8fb01fa8834586ae121
Markdown50b8f6f4c55ffd0ecb36a7b172c963d7b39f5c6f343ef8b2653738d6b7d98c91
PDF
Publication pageaf126cd373d7b28e0d22b8efd13499da9b2ddb23b9925352a90030676fe5f7ab
Manifestb055889cc1b17300bc8e57715b8b2df2a1edb0f4f6e7d2a19d7de22cfbe2abad

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
Signaturew5M1s3edDz1qZg8q7YTjwSoqKsO+LPmEv9+a6Auoy1a4YmcuKOrycPg2/q6dV5HBVAK5Eo+FYKtKsAVyFDLgAg==
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

2026-09-17T10:58:02.061661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052341
observed af126cd373d7b28e0d22b8efd13499da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.043869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052341/manifest.json
observed b055889cc1b17300bc8e57715b8b2df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.026547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052341/publication.md
observed 50b8f6f4c55ffd0ecb36a7b172c963d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.009992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052341/publication.txt
observed 5ac9df175a033f43b5ede2408cbe6359...
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.