OpenTechnical

OT-2026-000100103

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000100103) never changes.

Identity and time

Publication numberOT-2026-000100103 · never reused
Internal UUID01a0aea3-1474-7fa7-bdd0-c891c9f689bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100103
StatusPUBLIC

Content hashes

Canonical text92d143f27aa560e13772f9122e8a0450e86be49ff6f9f65b91e2ac38665580ac
Markdown05241e894846197a6c1a8befd344114a5e290aa7e9d999f336e9420c0364fe93
PDF
Publication page3d9dac89bf6bafb578b966cf86bddb85a3622cb833adad994f0c700ffb54230a
Manifest502c5c03bdbf4a8dc556de07dd2e3b937342957b9da544076e7f1e99c0b7d845

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
SignaturecbrrjKEupUr0SZkq2+juXo3A8SkfW11kw8Mj6TIEvci9AGyyFvWm5P/ibttFq9ZLLuq/jC1mDNaMkEqZQ9D7AA==
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

2026-09-17T09:29:03.831742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100103
observed 3d9dac89bf6bafb578b966cf86bddb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.812402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100103/manifest.json
observed 502c5c03bdbf4a8dc556de07dd2e3b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.793249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100103/publication.md
observed 05241e894846197a6c1a8befd344114a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:03.774543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100103/publication.txt
observed 92d143f27aa560e13772f9122e8a0450...
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.