OpenTechnical

OT-2026-000103906

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000103906) never changes.

Identity and time

Publication numberOT-2026-000103906 · never reused
Internal UUID01a0aea5-15e7-77d2-901d-796ed4b1b16e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103906
StatusPUBLIC

Content hashes

Canonical text70e594de8a49c4168e478d86dd4d330ede6a080827af5deba469f4d94401b2b8
Markdowna604f1d73a9b0eccf2c7792b17d47a7bb282dd16900d317e561c1c5663c51248
PDF
Publication page9ab696764ba8eac298b892511611e1d606d3d67a31933d934a7b371df8c899f3
Manifest58f3b496ec09f960fe53a08a64b7da941648abbeace0ae91024eecdc5c2e9e3d

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
SignatureIElNKvtJEBOgWvMzIsghVqhjLlnbGYz3cxKzRAlL0qqjllq+Oxv+GM9JZkjc2Y7uhBiWnv1CAekkG6v+i4xlBQ==
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

2026-09-17T09:21:53.931349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103906
observed 9ab696764ba8eac298b892511611e1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.913180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103906/manifest.json
observed 58f3b496ec09f960fe53a08a64b7da94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.895063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103906/publication.md
observed a604f1d73a9b0eccf2c7792b17d47a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:53.877575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103906/publication.txt
observed 70e594de8a49c4168e478d86dd4d330e...
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.