OpenTechnical

OT-2026-000051817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000051817) never changes.

Identity and time

Publication numberOT-2026-000051817 · never reused
Internal UUID01a0ae83-7c84-76f4-968a-d55e3df2bf32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051817
StatusPUBLIC

Content hashes

Canonical text8449d18df6013dae809f343682683be7d081555b3b11c0ba5cfc882a1952886c
Markdownc4fa872d36228a428b6117b71a8e897018c8cd1e2780019a9353e73eb2e96444
PDF
Publication page11571335809a07c9f8598313e06415ea026d44128e7f0d62f128a83b00ff43cd
Manifest3fc86ce13c359206d4c841398c8532dddaace4ced22941c46f0ffe3fcd077200

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
Signature8L9yDaWkvurc+xGfSKIdXzDQOUVZ6LGFkFL+B0f29SiJBiUysNgzSacVz6imVioOHgDtGiqmaufgWtLIXadtDg==
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

2026-09-17T10:58:44.206484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051817
observed 11571335809a07c9f8598313e06415ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.187810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051817/manifest.json
observed 3fc86ce13c359206d4c841398c8532dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.166209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051817/publication.md
observed c4fa872d36228a428b6117b71a8e8970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.144711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051817/publication.txt
observed 8449d18df6013dae809f343682683be7...
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.