OpenTechnical

OT-2026-000103965

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000103965) never changes.

Identity and time

Publication numberOT-2026-000103965 · never reused
Internal UUID01a0aea5-15e8-7b7b-83c4-9f98b3632f57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103965
StatusPUBLIC

Content hashes

Canonical texte1cd407a4f710241e578b184f1c59b38566e43b7649e3972b8c905e19b829a42
Markdown9e7f8eafad64f3b1fe084209bdddd51f8d2052fcef977d5c3dedd9caebb488df
PDF
Publication pagee1d18f5cdd8711d32320c63c7c48fb6732a97816b8b0cf6ba0d8c33cc20fd1ed
Manifest9fab58ca809bb070429fe6301c2951707712d7c9e7d4e0128269c2c71465e567

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
Signature7oaoHNB+0ivMIdBLDwdOCgbUOn/vj5q+v9VJ1r428lJqf0xq8yytC/8XV4DiXICgnUdXhnORNXfwWcQbnT+IDg==
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

2026-09-17T09:21:58.170508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103965
observed e1d18f5cdd8711d32320c63c7c48fb67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.155175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103965/manifest.json
observed 9fab58ca809bb070429fe6301c295170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.137092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103965/publication.md
observed 9e7f8eafad64f3b1fe084209bdddd51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:58.118435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103965/publication.txt
observed e1cd407a4f710241e578b184f1c59b38...
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.