OpenTechnical

OT-2026-000052347

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000052347) never changes.

Identity and time

Publication numberOT-2026-000052347 · never reused
Internal UUID01a0ae83-e792-714a-973b-920971fe8630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052347
StatusPUBLIC

Content hashes

Canonical text90ceebcbf2b351a0523f65c0bc483387a68443f0e6df58cd96cf80e669cd9451
Markdown3ea10ede99717f0b1cd679ae6ac64a81fbdcbb03726a54ec64aa85841e6b1f18
PDF
Publication pagee9ff686751108d7f535b7705d8a4bbfb7bd28619d3d5e746176cbd4fcb05f904
Manifest3804f9a7de638f7dd4999f219b28a4a34933bb42690e6d3a0416014f900e6b17

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
SignatureAVBmbzyCzGj0vgUyi5ptjL8IBa8LLbwobnyt4vQWOlZTJyUX8Vn8ml7yK8uBqJ6BECwgybRrwzM0lPJ6uu48Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:02.494370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052347
observed e9ff686751108d7f535b7705d8a4bbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.475339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052347/manifest.json
observed 3804f9a7de638f7dd4999f219b28a4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.457906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052347/publication.md
observed 3ea10ede99717f0b1cd679ae6ac64a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.438817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052347/publication.txt
observed 90ceebcbf2b351a0523f65c0bc483387...
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.