OpenTechnical

OT-2026-000050425

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000050425) never changes.

Identity and time

Publication numberOT-2026-000050425 · never reused
Internal UUID01a0ae82-5c48-7d82-96e9-6dc3d14e01f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050425
StatusPUBLIC

Content hashes

Canonical text06fedf876390effc12bcfb58510313bc377fc4eac9a79408d1342324ad45707d
Markdowne783568f2f8101ad8d6671c4a080e4bbbbb4dc8751c15db1109ec58c5e7180a2
PDF
Publication page744fd0637ce48fd72d8248d7c3af0ef65bb689f335bdc7903a9e1493794b8181
Manifest71ccaad4597b1772777e23305a71e53b110dd49686d007056824cb61d5cb7786

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
SignatureahbtKYbkNVXXPx96r/kGiwTVXCSts0nmKD+j17jFs6RruEKqyCkJnR2uSr75aELRn3009+zn8qI7d7zTmIFKDA==
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

2026-09-17T11:01:28.279040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050425
observed 744fd0637ce48fd72d8248d7c3af0ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.264620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050425/manifest.json
observed 71ccaad4597b1772777e23305a71e53b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.249738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050425/publication.md
observed e783568f2f8101ad8d6671c4a080e4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:28.232724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050425/publication.txt
observed 06fedf876390effc12bcfb58510313bc...
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.