OpenTechnical

OT-2026-000022058

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000022058) never changes.

Identity and time

Publication numberOT-2026-000022058 · never reused
Internal UUID01a0ae6f-bb5c-7844-a489-1fed0c4bf7fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022058
StatusPUBLIC

Content hashes

Canonical text52989203c95017098ba0d21d301d258d190b5b22636ea1e20d5372085e37e936
Markdown1295301f663248a92fd4f246acef5a4236fb3b235d2291d40ff0060f0cdbbb03
PDF
Publication pagedab089d250ffa04691c7ad297da612a6abead77246d6f0617a893bf7c873c244
Manifestbe5fcde8ac60dfed8d826b53f6c77b9c8b44e8682e7f67f1482a78602702b043

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
SignaturekAl9CRT35dKYttrHFg79TPXkZCWdDNjXs/+IRSWf1KfjcxB84T7ti+f8y6k7aOiU5ntLPTV/cP9xKbOlq6WiAg==
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

2026-09-17T11:54:05.248526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022058
observed dab089d250ffa04691c7ad297da612a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:05.232919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022058/manifest.json
observed be5fcde8ac60dfed8d826b53f6c77b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:05.215449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022058/publication.md
observed 1295301f663248a92fd4f246acef5a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:05.188218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022058/publication.txt
observed 52989203c95017098ba0d21d301d258d...
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.