OpenTechnical

OT-2026-000067184

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000067184) never changes.

Identity and time

Publication numberOT-2026-000067184 · never reused
Internal UUID01a0ae8f-14ff-78ea-9acc-5d67bf192282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067184
StatusPUBLIC

Content hashes

Canonical text4764c0ed127c3e1cd5af587078e8a4c9fc08c6b1fe8d560724149cf776f6e4b1
Markdown25e0587c63f5076a8841e6bfb645eba4af9b2438131adb07afa8933bb1fa23aa
PDF
Publication pagecf9e6bd819e5b29ea32d39f01412bfb192f352eeb1cf18611d204bdccc9f7a72
Manifestd0dc6307fff0621d9ce4e875bcdf80056e3f8d02cff47b52b148130c24321858

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
Signature/wn/iK5LdMvttwOQZWTVIU6KAH05NXw6rcYBcqedPtO8Rq3ygOspMNc1oP9b0LU7/DONI9gVmgRXhXFxc+MfDA==
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

2026-09-17T10:32:28.098862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067184
observed cf9e6bd819e5b29ea32d39f01412bfb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.083095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067184/manifest.json
observed d0dc6307fff0621d9ce4e875bcdf8005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.067314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067184/publication.md
observed 25e0587c63f5076a8841e6bfb645eba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.050907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067184/publication.txt
observed 4764c0ed127c3e1cd5af587078e8a4c9...
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.