OpenTechnical

OT-2026-000009054

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000009054) never changes.

Identity and time

Publication numberOT-2026-000009054 · never reused
Internal UUID01a0ae6b-31b8-79cf-a6a8-dc569978d453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009054
StatusPUBLIC

Content hashes

Canonical textb0fb7c1049a8b3994888a8ee2d7059a5813e7f6c9b7dbcdea1a86e3922dca3a6
Markdown9f205f21706f3f59a5642e747ef0e264bcc62de4dee2678fb9de8555d419f1d6
PDF
Publication page209dd43a1c504a28ddf828a6ebc176ef4e6c20baa8529b1f2431ab3d43988e71
Manifest8a046f81fd44c0d302cd4ab926afc94e9e4a5b1e241a78c42bdcf5d385131990

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
SignatureEEs5mE0yZgAR5Tlk9+IUexGXWbEQkxp7Wa3LHqWX3/Hf6funlHTkbzA/Jr92/7j7XSPTtVSb2mgBXD1RgThlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:42.433151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009054
observed 209dd43a1c504a28ddf828a6ebc176ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.411056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009054/manifest.json
observed 8a046f81fd44c0d302cd4ab926afc94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.391196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009054/publication.md
observed 9f205f21706f3f59a5642e747ef0e264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.371465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009054/publication.txt
observed b0fb7c1049a8b3994888a8ee2d7059a5...
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.