OpenTechnical

OT-2026-000057697

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057697) never changes.

Identity and time

Publication numberOT-2026-000057697 · never reused
Internal UUID01a0ae88-2695-72c0-8f14-b7f41e922e25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057697
StatusPUBLIC

Content hashes

Canonical text46da7634eeff1db2c115d2a85b589ef29f268aaeab31a513626ed8db73c9e4b8
Markdown1f2cfea63633e3e9deb1f24913a406c3db7af1feedb986a77d196b63ee661b55
PDF
Publication page8b460326dc0cf208e465441a8cda6bfda292600cf3fa03bbf4cb59020e5e34d9
Manifest5b3b1cfc01d0ede7527515bb9da9414fe37eb840d65a1808ed0c8fd074f1f474

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
Signature414TzhRb5PEPJBZnpZLxPPE6ZryXa5oo6OMdiqNlezI+cqQlKkbIFpr9FlS38AnseBRYmFIy9ZQFKzGqBppvDA==
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

2026-09-17T10:48:21.679600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057697
observed 8b460326dc0cf208e465441a8cda6bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.662037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057697/manifest.json
observed 5b3b1cfc01d0ede7527515bb9da9414f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.645451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057697/publication.md
observed 1f2cfea63633e3e9deb1f24913a406c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:21.628979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057697/publication.txt
observed 46da7634eeff1db2c115d2a85b589ef2...
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.