OpenTechnical

OT-2026-000100041

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000100041) never changes.

Identity and time

Publication numberOT-2026-000100041 · never reused
Internal UUID01a0aea3-1474-7af2-af5b-84fbf3abe27d · 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-2026-000100041
StatusPUBLIC

Content hashes

Canonical textaabcb815d9be22b2da26fc8061ff756df79a5e5077659c75f23d78abac74cf5a
Markdown1524b65a561737796df0cc71140b487b77517aec42df490730f966a371aa647a
PDF
Publication page0530acd232762a5f452097f056287e6b567365ad12956e6b334d3a9a8b6ef491
Manifest5e0b9d657a30cea4899965fad1ee70bfe8cd35e9cd9727042fb59002e5fdc576

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
SignatureFWqnqL+LgRr8ls+6rWLQb/LMMs15yJSJ/NKWJYvIwE6ncLVhOtaI4/BQSdQH/iQOMc8NPB8J7mFMhtg7fVQ+Bw==
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

2026-09-17T09:28:58.777156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100041
observed 0530acd232762a5f452097f056287e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.759221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100041/manifest.json
observed 5e0b9d657a30cea4899965fad1ee70bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.740883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100041/publication.md
observed 1524b65a561737796df0cc71140b487b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:58.721575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100041/publication.txt
observed aabcb815d9be22b2da26fc8061ff756d...
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.