OpenTechnical

OT-2026-000103181

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after set-down

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-2026-000103181) never changes.

Identity and time

Publication numberOT-2026-000103181 · never reused
Internal UUID01a0aea4-be3e-76e1-bfba-fcaea3b978dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103181
StatusPUBLIC

Content hashes

Canonical textf3b293b72b28e1ea60d9e8467c2404d1eaf0d6753d5f75aca4e20941110ce1d1
Markdown88709608d17ec294854ee3a4edd966f5ea29a5ba5c363b4e046ee5530d4813cc
PDF
Publication paged3d3ff715f0e2b955fff8588b5407a2bad84619c82cabe7315c0b8dfea27e114
Manifest0d82bb322eb25fa18565f284b64e47e096c63238d0cae8ad48294e5871d06630

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
SignatureNSzf9sArl0QXGbQm7O9Fo/a8Cb2j7at+8e57AmxpPzRS64rWHZf+CMVsxraZKVJkezH+CWgmY1STqRiXUKxvBA==
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

2026-09-17T09:23:24.096008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103181
observed d3d3ff715f0e2b955fff8588b5407a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.076608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103181/manifest.json
observed 0d82bb322eb25fa18565f284b64e47e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.057691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103181/publication.md
observed 88709608d17ec294854ee3a4edd966f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:24.039314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103181/publication.txt
observed f3b293b72b28e1ea60d9e8467c2404d1...
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.