OpenTechnical

OT-2026-000099806

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000099806) never changes.

Identity and time

Publication numberOT-2026-000099806 · never reused
Internal UUID01a0aea2-c978-7c86-ab4c-003e53f5c9d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099806
StatusPUBLIC

Content hashes

Canonical text347ab8d5a4dfba3105a84e909a44364cdf268200ca26b25b122f9ff5e014da13
Markdownb367d5ab9980598a35665c1718d1d04d7507a976458792f4d32b8a9ce6ba1cc9
PDF
Publication page2f76e40765ca422cc47e01ad7e40848766016cbd81ac0d46be0a93f1f8017b3a
Manifest17a488e31dd4d3be84c1d8f00368b4ac4d7a631cee42e5259f23d371cbdf20b4

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
SignaturenrQFGsGZYfODdSZVHcU+/R+RIjtv3qKflH46wVy+RvRqMb7qzEIotLb0m/Jg3Dn5AFZucWq7eq1h9gmdeRF4AQ==
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

2026-09-17T09:29:50.677566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099806
observed 2f76e40765ca422cc47e01ad7e408487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.661490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099806/manifest.json
observed 17a488e31dd4d3be84c1d8f00368b4ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.644080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099806/publication.md
observed b367d5ab9980598a35665c1718d1d04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.627214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099806/publication.txt
observed 347ab8d5a4dfba3105a84e909a44364c...
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.