OpenTechnical

OT-2026-000103275

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103275) never changes.

Identity and time

Publication numberOT-2026-000103275 · never reused
Internal UUID01a0aea4-be3f-76d5-b166-a905270aebfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103275
StatusPUBLIC

Content hashes

Canonical textfdd0ef4fd3feab1d159fc96e9296beb67e14f6d3af71f4be1fcf569a9d52c66a
Markdown8ec97f35c07eefeed2b6371ae9ce4219e79888a9e1969a5249f949cc83614f6b
PDF
Publication page13c608f3b71ae560c8657f5ffdd32e4bb901345cf8dcf8e7856a17b83581b8f0
Manifest4b13f988d42ae6f6660c8d93b4aa73ca0537a36a3b43fe8b5c06e6a45a1ce408

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
SignatureImlmFXZukJcR7CAD1sjwHKZ5UrusNVqNtpG2V+jFul0lOa3L7KTy+Vp9raR2PTKYk5kc+QZafVAa6wCV/7xeCQ==
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

2026-09-17T09:23:30.903530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103275
observed 13c608f3b71ae560c8657f5ffdd32e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.885205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103275/manifest.json
observed 4b13f988d42ae6f6660c8d93b4aa73ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.866837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103275/publication.md
observed 8ec97f35c07eefeed2b6371ae9ce4219...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.849927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103275/publication.txt
observed fdd0ef4fd3feab1d159fc96e9296beb6...
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.