OpenTechnical

OT-2026-000053301

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000053301) never changes.

Identity and time

Publication numberOT-2026-000053301 · never reused
Internal UUID01a0ae85-0a15-794f-a875-41f01c2d1dea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053301
StatusPUBLIC

Content hashes

Canonical textefcf97f96c99ff67a624d5bb06988b8910a91b9b3c6a4856c38949f6c24a5fa0
Markdowncbd6d8d9f8692206a69b34cbc0a892df56c905d622c4d2983e42dd333070988f
PDF
Publication page1e47932bb1747742f3b1d31df7533c4a06e9dffecd855a09be4e8173774c01e6
Manifest3a5167de017e6fea56fa4e9ac1d8889a73664f74a78f9e6a4c72bf5f44036818

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
SignatureHmtmZxFg6XTzovJB/BOzlLBTntfUkMo9whUFdV52Rh1O08Hjexmnn8lYRTu7W3FBtj4rKsYHdFr5tmFh4MEvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:59.430457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053301
observed 1e47932bb1747742f3b1d31df7533c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.411694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053301/manifest.json
observed 3a5167de017e6fea56fa4e9ac1d8889a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.393465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053301/publication.md
observed cbd6d8d9f8692206a69b34cbc0a892df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:59.374397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053301/publication.txt
observed efcf97f96c99ff67a624d5bb06988b89...
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.