OpenTechnical

OT-2026-000033734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000033734) never changes.

Identity and time

Publication numberOT-2026-000033734 · never reused
Internal UUID01a0ae75-a390-79b5-9bea-8e4fc06bb5ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033734
StatusPUBLIC

Content hashes

Canonical text3cf91a3842b6db224909df66cd3c2815156e790df8e82c46f33e05411d15aa18
Markdown4077e7e8590f4cdcd7604de068ec9ef2880967af81fe286e3dd11a64372d7f5a
PDF
Publication page4da6494192f2e74d562028c84546dc99034cbffee27cf96e1de7ee54cb0ba992
Manifest96dae785b5174d496edc6146289ca7452823e131cef0ceb3f09a694edd09b7fb

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
SignatureiHOPqOKGHtuFpTtXaXeDzxfvbPVQVUIq/v4wKb3+ro6WzScuDtw4S/dASgVTlC6Epc4UlYLpc7SnT9OIHTXCCg==
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

2026-09-17T11:31:44.417158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033734
observed 4da6494192f2e74d562028c84546dc99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.398367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033734/manifest.json
observed 96dae785b5174d496edc6146289ca745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.380861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033734/publication.md
observed 4077e7e8590f4cdcd7604de068ec9ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:44.363787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033734/publication.txt
observed 3cf91a3842b6db224909df66cd3c2815...
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.