OpenTechnical

OT-2026-000100422

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100422) never changes.

Identity and time

Publication numberOT-2026-000100422 · never reused
Internal UUID01a0aea3-66ef-7677-a8ee-f729783c1e7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100422
StatusPUBLIC

Content hashes

Canonical texta081e5c86e4a6a52709f636a7faaa170947dc7bbc0bf54a5b006ac3fabf287da
Markdown9d0295329933c3345169b9eea85f3d2339b9d8671295af763d06f86246f02fda
PDF
Publication pagee0ec110371954bfeea541e6bdbfa5ad8ee13840bbf2dd4912a93b3bffc4d7c8b
Manifestb62f9ea2f6948930755cf155362280dba090d8252ef71563f50a6cb06ca8f1db

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
Signature/VG48w+nXi7bS6GD/LBFNa+44kFItij0qaP7fIyHqm8oMmjXU4bPf2uSGMUGB67jotKmXbiIY/TWGyZ93HvIAQ==
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

2026-09-17T09:27:09.882919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100422
observed e0ec110371954bfeea541e6bdbfa5ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.865642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100422/manifest.json
observed b62f9ea2f6948930755cf155362280db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.849144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100422/publication.md
observed 9d0295329933c3345169b9eea85f3d23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.830579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100422/publication.txt
observed a081e5c86e4a6a52709f636a7faaa170...
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.