OpenTechnical

OT-2026-000032697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000032697) never changes.

Identity and time

Publication numberOT-2026-000032697 · never reused
Internal UUID01a0ae75-1070-70d5-8873-10f7413aca1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032697
StatusPUBLIC

Content hashes

Canonical text21c6e57781ab262f474be2fce9061546133af483b5b5a4631887f5de034028d7
Markdownf3d05a1bd6e7e5a872fa5c608eac74f3c0a37c475b58bd220c19c27ad5c0be21
PDF
Publication page0efabf9f0246f812127c53d3687be74bc50ecf34df83bda360e68c7507c9ca9d
Manifest61f775cec7c1d2ae61097cfc4995123eb05d8d8aac5c00900b4c8012f1869b41

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
Signaturedau4y+XPq8AvMPsBowXmrKLCyBDgFQgeNvqRZAX7ObuN2xAAak4ucxa9/XiiMoDeNlewTlnXwEZdfHm+37SgBA==
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

2026-09-17T11:34:18.521902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032697
observed 0efabf9f0246f812127c53d3687be74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.504500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032697/manifest.json
observed 61f775cec7c1d2ae61097cfc4995123e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.485053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032697/publication.md
observed f3d05a1bd6e7e5a872fa5c608eac74f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.467311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032697/publication.txt
observed 21c6e57781ab262f474be2fce9061546...
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.