OpenTechnical

OT-2026-000087247

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087247) never changes.

Identity and time

Publication numberOT-2026-000087247 · never reused
Internal UUID01a0ae9a-9f2e-76a2-b2dd-327ae0caa04c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087247
StatusPUBLIC

Content hashes

Canonical textabf5bd976465738924583c1af3d9155fea20b3d16465ec1fbcaba2e55c70a0ae
Markdown02024112a3135262e322312fdf6d771a7dd659b7a63302b5a09c678a936bb171
PDF
Publication paged59b8f7d9641310f30d3cc212ad3b6c892800a14477b398015427e187711f5a9
Manifest541fad5594189329347f224d52f86b8c3a3d828729651e400c2a39f63ccc1a76

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
SignatureNolr13bOFXG5mkawIKOi0ZJ4FXNSV2zT91ig7cJnXW+XyHSU8zg8HlrfPatbK93A5Y5qb618tsMTBcVGkbXtBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:31.134255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087247
observed d59b8f7d9641310f30d3cc212ad3b6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:31.112935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087247/manifest.json
observed 541fad5594189329347f224d52f86b8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:31.093752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087247/publication.md
observed 02024112a3135262e322312fdf6d771a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:31.076055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087247/publication.txt
observed abf5bd976465738924583c1af3d9155f...
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.