OpenTechnical

OT-2026-000012659

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, 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-2026-000012659) never changes.

Identity and time

Publication numberOT-2026-000012659 · never reused
Internal UUID01a0ae6d-5562-70f6-a089-bd0d66178782 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012659
StatusPUBLIC

Content hashes

Canonical text50d028e7bd3a1f43673727d1f301903c73a9c841f5337177dcd069b5e3de12d0
Markdown23ce1e2503735d7d8d87ab97045dda8aac66e7d49e00c8b5f88567e947c01e62
PDF
Publication pageeb1fc498b2f9a64e8120be0749507ad9ed9673ddb4150ce4b9e64a0857dd8a87
Manifest7c3baa05f2fe0b0f61159a7844d9c306fbb1363a38fd15bbd320a663bbdc59f7

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
SignaturelYosZFuKjQy7/oqQxz6bMzS/LhWh7OAkp/6nniOsYKHk5Kg2nDtYPcYRxPiJlK8KmWRJcsXMrLuLu3rzvWsuAA==
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

2026-09-17T12:10:17.798565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012659
observed eb1fc498b2f9a64e8120be0749507ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.779455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012659/manifest.json
observed 7c3baa05f2fe0b0f61159a7844d9c306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.757885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012659/publication.md
observed 23ce1e2503735d7d8d87ab97045dda8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.736601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012659/publication.txt
observed 50d028e7bd3a1f43673727d1f301903c...
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.