OpenTechnical

OT-2026-000098561

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000098561) never changes.

Identity and time

Publication numberOT-2026-000098561 · never reused
Internal UUID01a0aea2-42ac-71b4-a875-c59e5d16c673 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098561
StatusPUBLIC

Content hashes

Canonical text38696dcb0c141d32c5567711d5e5d0b56a4d556695bc2547d0ed1dc36ba1681c
Markdown41084d0795d811d0e69eb00801c05d1d717c35f0db701f40153c78c23262cb3b
PDF
Publication pagef4b44e8730b52f299698b0bb2ad735c098072cec0d055f2c2ab0b2a3d97d9444
Manifest57f6912092693e0ec892352235a6b7709c07b86935f0a6a444869dde56a52132

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
Signaturel/ls18oEk3R0tbulBo0CUMHBw2aKkDyT6k/6fsP4Uo0jw8JRhESUT1bFA08eIxOTs5ePnHXcHYqqyrs3/hgjBA==
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

2026-09-17T09:30:49.473260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098561
observed f4b44e8730b52f299698b0bb2ad735c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.455170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098561/manifest.json
observed 57f6912092693e0ec892352235a6b770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.437296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098561/publication.md
observed 41084d0795d811d0e69eb00801c05d1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:49.421102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098561/publication.txt
observed 38696dcb0c141d32c5567711d5e5d0b5...
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.