OpenTechnical

OT-2026-000104160

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000104160) never changes.

Identity and time

Publication numberOT-2026-000104160 · never reused
Internal UUID01a0aea5-341f-7ed4-8c6f-915b5591ef47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104160
StatusPUBLIC

Content hashes

Canonical text2a77193d4ecdc2dc1ca2a719850daf0a6efaffc6577bf1bddc080f4260f87dd6
Markdown7a66f5c5a542e38378bc0c9c5b631c4db92fc247e8a61c5ea9f7ca71414fd623
PDF
Publication page4fba33a8a9e54f36eb646da6b7b09f5ee08b5ae590b411151ba4f971227372c7
Manifest9f0156f6d35e8eb6ebe51a8bcd6a5997b89c4fd405f89f4b603a2996087aabd3

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
SignatureNzV59zCBVReU7TY+tTFZ3K33df11g36gpoJ3IOIM96P1U6z/4M05KgRE1xnJ4v4DL33tkypfZwLi4iSxbiSSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:14.972295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104160
observed 4fba33a8a9e54f36eb646da6b7b09f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.952953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104160/manifest.json
observed 9f0156f6d35e8eb6ebe51a8bcd6a5997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.935540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104160/publication.md
observed 7a66f5c5a542e38378bc0c9c5b631c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.918491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104160/publication.txt
observed 2a77193d4ecdc2dc1ca2a719850daf0a...
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.