OpenTechnical

OT-2026-000070136

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented before set-down

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-2026-000070136) never changes.

Identity and time

Publication numberOT-2026-000070136 · never reused
Internal UUID01a0ae91-1862-7dfe-b593-7f4ac362d3e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070136
StatusPUBLIC

Content hashes

Canonical text5f3cec3d67551214fe0d73c85fa79be7467c9e655997520b9619a9a51a7a9f20
Markdownc919e9e4c04b1bf1d3d9d17364c5a522a6617443eade1e8f966a9fc02774a3a8
PDF
Publication page1eefdeb2f97f631c8a7fb582d0c5aa09f49b4965e599661798e1dcaa54d05003
Manifest9558c9041a8bae9dea03a2f00a8a61c1de949796f187adcba30a6f19340c80dd

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
SignatureBeWVptfLyFnde2ntdT36DW+j3Eai5RXzXgomJ6w/2uAPsHuHZdQC7L4NQIdDVF/bSirqkO4l3uRBp700c70HAQ==
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

2026-09-17T10:27:10.709051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070136
observed 1eefdeb2f97f631c8a7fb582d0c5aa09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.691449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070136/manifest.json
observed 9558c9041a8bae9dea03a2f00a8a61c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.669671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070136/publication.md
observed c919e9e4c04b1bf1d3d9d17364c5a522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.650545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070136/publication.txt
observed 5f3cec3d67551214fe0d73c85fa79be7...
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.