OpenTechnical

OT-2026-000102327

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102327) never changes.

Identity and time

Publication numberOT-2026-000102327 · never reused
Internal UUID01a0aea4-50f4-71e3-b143-7ab029f4ac88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102327
StatusPUBLIC

Content hashes

Canonical textf27995b5e39e7a88e6ff8b789195bbd99a4ff2c44ddf58cfd68e0b197e8ce1b8
Markdown40f6664e9e50d4c5750b5a8d5625b89994101cda3437ee8058bd98a2dbdc81c3
PDF
Publication page976bae23284accdd891bf6930b838563775bcb715b83ab6a7b3310da61312da8
Manifest66213941a976427fabbba0716055565a50a7195ed092c5d5dd315524aa1fc087

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
Signature+VtWV8FZ1nLx+YsULNVzEQmwW0HuqnBAI9rUcRZZXouidfmxB4tamOdYK6iOxg2o8yYotUBZ2GvBROKVRn1NDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:31.903412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102327
observed 976bae23284accdd891bf6930b838563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.884238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102327/manifest.json
observed 66213941a976427fabbba0716055565a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.863694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102327/publication.md
observed 40f6664e9e50d4c5750b5a8d5625b899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:31.843206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102327/publication.txt
observed f27995b5e39e7a88e6ff8b789195bbd9...
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.