OpenTechnical

OT-2026-000050633

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000050633) never changes.

Identity and time

Publication numberOT-2026-000050633 · never reused
Internal UUID01a0ae82-c7b0-7905-9b35-4810741ac360 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050633
StatusPUBLIC

Content hashes

Canonical text1867145cae707d263e6665f840f6ecd5572a30dd8b9aa1718ba5e2897b1a44af
Markdown95167e7351842cce76ecc7111dd76c54a3958814a559628d42c7058ee423dbf3
PDF
Publication page7c95680fbd6e088868f69651809863dbf93ef52f3588d0632942e8f1a318c2b0
Manifesta9f7095b82ede76f0c87e54b0240ffed12cea1331333349bf76d33d4a2ba65ff

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
Signature5aUOgGotnpYu5EnzmN05EaIE5fpzxOeT0ZZK07CH+rbO3sdYCHQLlv/RtWiDV5h007pARVdGIR/R53teTLENBg==
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

2026-09-17T10:59:19.373200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050633
observed 7c95680fbd6e088868f69651809863db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.355364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050633/manifest.json
observed a9f7095b82ede76f0c87e54b0240ffed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.336551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050633/publication.md
observed 95167e7351842cce76ecc7111dd76c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:19.279496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050633/publication.txt
observed 1867145cae707d263e6665f840f6ecd5...
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.