OpenTechnical

OT-2026-000053213

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000053213) never changes.

Identity and time

Publication numberOT-2026-000053213 · never reused
Internal UUID01a0ae85-0a14-7c83-8df5-dd160198977b · 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-2026-000053213
StatusPUBLIC

Content hashes

Canonical text0f0aa11de7ec1b4a7df3c7ff970f1c21327c1d733ee4d92fcfc781de3cbc5f40
Markdown38e53f5ff8bf8939b67471532e6d880bbbabc8639a9c05bf12883a1eb7395e2f
PDF
Publication page7ea76c1100ce525c9ea03924e18767d375b6c5ddb94e019ff2a350d290d975ad
Manifeste8ee09ce1e696467662fd036b1476b488b0965f6d6639656367bc51292ff1f4d

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
SignatureAzG/UbTiorZ79xbUqgyoQvi/1bl0PvnEfaG4xUI8lfYMQzhjzrgACxiFuWdHaTBKWWQKC/Wg6/82Co6Vjc4MCQ==
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

2026-09-17T08:40:49.835407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053213
observed 7ea76c1100ce525c9ea03924e18767d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.817273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053213/manifest.json
observed e8ee09ce1e696467662fd036b1476b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.799136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053213/publication.md
observed 38e53f5ff8bf8939b67471532e6d880b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:49.780256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053213/publication.txt
observed 0f0aa11de7ec1b4a7df3c7ff970f1c21...
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.