OpenTechnical

OT-2026-000060489

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented after 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-2026-000060489) never changes.

Identity and time

Publication numberOT-2026-000060489 · never reused
Internal UUID01a0ae8a-b7cc-750d-a624-590775342e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060489
StatusPUBLIC

Content hashes

Canonical textc8795d1ac917accc1c0b8372021b5e4a72f8d3166dec0b9e93e756d53b9e0e99
Markdowndeb6fe8c1722743e30d00d042a1bd78c3ed1d76ad6ed9b6b517a5610d63b40b1
PDF
Publication paged043d83f562a9c0a131af4551393699e79531e57a7384531ae5b9faa1c23b18c
Manifest98a5ac6c99ad5ea9bc4e554579a049048400f5c67b6e6f7d6595f2945fbdc930

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
SignatureiMY75mgo4KTjTe4SKyDsIpoUH5ZDikP9VJ9ppQLUIEoCCUwtbF/WjVW7pgbW1qFZUbwQWIfHb5NbZeAAxCXOCw==
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...

Independent retrieval

2026-09-17T10:42:59.004835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060489
observed d043d83f562a9c0a131af4551393699e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.987292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060489/manifest.json
observed 98a5ac6c99ad5ea9bc4e554579a04904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.970388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060489/publication.md
observed deb6fe8c1722743e30d00d042a1bd78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:58.953907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060489/publication.txt
observed c8795d1ac917accc1c0b8372021b5e4a...
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.