OpenTechnical

OT-2026-000104037

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000104037) never changes.

Identity and time

Publication numberOT-2026-000104037 · never reused
Internal UUID01a0aea5-341e-7ae2-95c8-8615cdb02251 · 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-2026-000104037
StatusPUBLIC

Content hashes

Canonical texte304bd1b44bbed7a16f81bc2c4e290b4b73131d57bb2f2af72af7ce143fcc9ef
Markdown4b05f717aa4ccd983a4eae741f1063707ddcafd2b40aa247b1a6d202d1ecf687
PDF
Publication pagea0a3c80bf4c923f32af6edf10436878ef710ee4968c4d68b24919bf38dadfa67
Manifestbecb26cc8e28603d96108c1bb42ab6e6a9909d938ba2205e30af2391a9e62e89

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
SignatureR2KiGKSrbuF2kuq4bCtalUhkCadN/o4TrhfUrWzM2xKb6D4fPJpfNvQCRzXArK+0licjUa6AFeeihOF6zyrVAQ==
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

2026-09-17T09:20:06.088550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104037
observed a0a3c80bf4c923f32af6edf10436878e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.072046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104037/manifest.json
observed becb26cc8e28603d96108c1bb42ab6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.054480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104037/publication.md
observed 4b05f717aa4ccd983a4eae741f106370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.036167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104037/publication.txt
observed e304bd1b44bbed7a16f81bc2c4e290b4...
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.