OpenTechnical

OT-2026-000104148

Publication integrity record

Three bellows 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-2026-000104148) never changes.

Identity and time

Publication numberOT-2026-000104148 · never reused
Internal UUID01a0aea5-341f-75da-ac58-7d9e0d3beab7 · 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-2026-000104148
StatusPUBLIC

Content hashes

Canonical texte86640f33801b0bc0a8d3c02da832332b7707fbaaa601ff722fdbe7d86195a50
Markdownce4265ea8104d1cba421efbbf9251898b58b4bff62dbf74ec160e4f5901c1301
PDF
Publication page5b76ddf9131e9740994c7f4518793de1b29a879b4691007520d798cf7db9fd93
Manifestbf3d115df1d2f829ae1f7be28d79b57cc9a445e746e17663f39601d915d2eddc

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
SignatureCptaLiRnnrTFMHvCzJwt+pzpiys7tEsGj/fDbnXWZt9Nn2m9ScU0bMtMP2YGK3Vh+i8Hu/2fW7SgDvQfsk5zAA==
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

2026-09-17T09:20:14.039223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104148
observed 5b76ddf9131e9740994c7f4518793de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.020407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104148/manifest.json
observed bf3d115df1d2f829ae1f7be28d79b57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.999833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104148/publication.md
observed ce4265ea8104d1cba421efbbf9251898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:13.980594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104148/publication.txt
observed e86640f33801b0bc0a8d3c02da832332...
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.