OpenTechnical

OT-2026-000104262

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000104262) never changes.

Identity and time

Publication numberOT-2026-000104262 · never reused
Internal UUID01a0aea5-3420-7c6a-9535-95517b35600e · 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-2026-000104262
StatusPUBLIC

Content hashes

Canonical textab818228c8bef967161f897a6a6d9aef67492f6bb3db8bcf561e9714fee8cf39
Markdown058982f3a90d8eb8c0b1221fc5233bace520a8a0ffc493b67a3a0f80477dca8a
PDF
Publication page124728d2007b1daa4000fb01eb309b91ee01cddea7721e02f658c222b46a6f12
Manifestbfbeb674b123b58e95aa531ecdc3228929618d2d72e14ad0988ecdcc56b216c0

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
SignaturekpexERmWTmCL2uMmdHbMW+7NAGqb4W7CuHUFfO+RGvrOrSNyPJQDHAUqKR66Nw5VB92lz9slXiR1sR/c28AGCA==
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

2026-09-17T09:20:22.515499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104262
observed 124728d2007b1daa4000fb01eb309b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.498099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104262/manifest.json
observed bfbeb674b123b58e95aa531ecdc32289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.480536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104262/publication.md
observed 058982f3a90d8eb8c0b1221fc5233bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:22.462946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104262/publication.txt
observed ab818228c8bef967161f897a6a6d9aef...
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.