OpenTechnical

OT-2026-000017028

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed 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-2026-000017028) never changes.

Identity and time

Publication numberOT-2026-000017028 · never reused
Internal UUID01a0ae6e-591b-762c-89b1-e37e44383387 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017028
StatusPUBLIC

Content hashes

Canonical text301d3461bc7833e02b6b4b04fd95b1e2b53f408c9ca5ff9502289a0042125469
Markdown38c0d55ba5acdd3bd7dbbdfb62e71d04a6695203e74300b6fcd365253e686812
PDF
Publication pageb9bb51a6c288e5c0de1548f4a6f8afd78a0c18d67294c99e4257af6507ff097a
Manifest0ef45ef44b2dfea3b86afdc4aa3bf93affe3d564f5d1cc726d2f69cba11fb9aa

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
Signature7jNVHH2nULaPqBwRuOKXk6eXL/yi7oZ2tR1q/74j2UHOPWWnfl2BzIigVEA928fz2PDrjA6SxPFKSYmzC3KbAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:26.295332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017028
observed b9bb51a6c288e5c0de1548f4a6f8afd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.279683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017028/manifest.json
observed 0ef45ef44b2dfea3b86afdc4aa3bf93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.261565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017028/publication.md
observed 38c0d55ba5acdd3bd7dbbdfb62e71d04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.244133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017028/publication.txt
observed 301d3461bc7833e02b6b4b04fd95b1e2...
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.