OpenTechnical

OT-2026-000089262

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000089262) never changes.

Identity and time

Publication numberOT-2026-000089262 · never reused
Internal UUID01a0ae9b-db00-7eef-a9be-65c1daa88523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089262
StatusPUBLIC

Content hashes

Canonical text04943f0a5619316f8c38fb288bb809a1831ea4f8ff660201cecfc24358c27097
Markdown0a5b3c2831f0ba5272655faffd00ee98f555e2c20485dbd53ea2bf0e012d65f4
PDF
Publication pageb1b7dcc0600190512a770f6c4b3491e4619a961131b1ba3053d0d883b00b51fa
Manifestf113c95090b5756671baaae6bae81030c4bb54b646735e9ca7455ca20c356ca2

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
Signaturez91GosHac41jBzUyH1bZRHOR+JXHFTeFetNu9dwl64RcuamQzip5v68kPxVi99jGA0bgflWTBOChHXKI5pfXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:18.062241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089262
observed b1b7dcc0600190512a770f6c4b3491e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.042875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089262/manifest.json
observed f113c95090b5756671baaae6bae81030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.025036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089262/publication.md
observed 0a5b3c2831f0ba5272655faffd00ee98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:18.006474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089262/publication.txt
observed 04943f0a5619316f8c38fb288bb809a1...
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.