OpenTechnical

OT-2026-000041830

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000041830) never changes.

Identity and time

Publication numberOT-2026-000041830 · never reused
Internal UUID01a0ae79-e8a5-70d6-b6ac-f0111bafe48b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041830
StatusPUBLIC

Content hashes

Canonical text3c78624b4f312995afda59e0f3b05ece0038af5a206a75aa6c5f28673e93b21b
Markdown7267992db2f2fb0477d0e54eca3186a1d94753747295651311c6c2e60be3cff6
PDF
Publication pageea7ab1e7b822a1f11afa080eb07abb143e354700d5fee3d8d8a20a28a2348287
Manifest0e60719970493049053da3c28c557b0f0bec324cadeb46d1cf1ba88afed0c06b

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
SignatureNCtUafK4xtYtEXORulhff3IpFg136uFyjpIJ5rFA4TrCvDG00ICF2/G9xj0uyEEhFsbgQBYwwfxR8bBLKpUADg==
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

2026-09-17T11:16:41.671861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041830
observed ea7ab1e7b822a1f11afa080eb07abb14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.654239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041830/manifest.json
observed 0e60719970493049053da3c28c557b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.638160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041830/publication.md
observed 7267992db2f2fb0477d0e54eca3186a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:41.620761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041830/publication.txt
observed 3c78624b4f312995afda59e0f3b05ece...
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.