OpenTechnical

OT-2026-000099006

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000099006) never changes.

Identity and time

Publication numberOT-2026-000099006 · never reused
Internal UUID01a0aea2-8287-7a60-b3cd-61d2a1cdb2f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099006
StatusPUBLIC

Content hashes

Canonical textcbf2db29b865346075ffce029fe2dfa6a742f8c432e87d61cd17533342675f6b
Markdown094861155e887a438e6cf90fc0b347832bcd1a27e4035c3c4fe84b51277cde44
PDF
Publication page092f4759633106cdb66027206dcd323940610a73f02bd50f535430d228e7770e
Manifest8f948462e336cb9f1b7404eef59cdf2e2748eb2f5821db7893479e284aedd94d

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
Signature7ygLDSqHbuzSZT2i4BJb5LvcMF+N2AkL7RFX3VVZOdF+SCbIwocvTPf6YdCRTLlFpLVlTf81wFw8AGUpoyIzCA==
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

2026-09-17T09:30:05.502943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099006
observed 092f4759633106cdb66027206dcd3239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.486382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099006/manifest.json
observed 8f948462e336cb9f1b7404eef59cdf2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.471301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099006/publication.md
observed 094861155e887a438e6cf90fc0b34783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.454261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099006/publication.txt
observed cbf2db29b865346075ffce029fe2dfa6...
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.