OpenTechnical

OT-2026-000022161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000022161) never changes.

Identity and time

Publication numberOT-2026-000022161 · never reused
Internal UUID01a0ae6f-f4fb-7e69-90b8-02ae245c8bd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022161
StatusPUBLIC

Content hashes

Canonical text5c3bbec7e3c60dbbbbd0326bbfc80e4788be72f8087ad8bd2b0d334f9c9ba66e
Markdown9ca82d646e99711e727f6fcc2196afe4aae8e67d4fe79d014dcee644b3e57f3a
PDF
Publication page7e3d9dbd266629e2607ad7c60165d4c2e09cb771730a8eb2b9d261d1b8711ca7
Manifest8c77a9fe46cf1ce76d6ee4c50509bd2eeb4d0a2f099f1167481d2005a64d8583

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
Signaturee3Lm3aQjnSBrPj7lFet4a2ZdU2pC32OeB9sV3+FyWZz44y9QB5jkmxqWIJdlLquUFlNqonas2trHobwZfsrNCA==
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

2026-09-17T11:52:50.482337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022161
observed 7e3d9dbd266629e2607ad7c60165d4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.463037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022161/manifest.json
observed 8c77a9fe46cf1ce76d6ee4c50509bd2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.445454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022161/publication.md
observed 9ca82d646e99711e727f6fcc2196afe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.426915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022161/publication.txt
observed 5c3bbec7e3c60dbbbbd0326bbfc80e47...
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.