OpenTechnical

OT-2026-000060437

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000060437) never changes.

Identity and time

Publication numberOT-2026-000060437 · never reused
Internal UUID01a0ae8a-b7cb-780b-81af-27b1083eead0 · 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-2026-000060437
StatusPUBLIC

Content hashes

Canonical text05255b8094175da6f0d1660f970c0c0baaf6d1fa92683f020577489778e3c07b
Markdown1c6633e3fbe8d5b8ee27746a03c487828e9c3d996342d4c4341e6f9768caae75
PDF
Publication page14b3de983eb4452150d87ee3005f9fa9e37b6d5f6de2c714bc667d97026cb26f
Manifest430c5aedead7ede63f2de6eb707718f799ba583333bd6edb642e737276ad9ed3

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
Signatureynjd7N0mIbE7b/DKKUzEJRqt8MEw1G1EjANPJ9wRmLdJgNp7bvFMROcGa+fyPgX9Dj/6FRN8UAH/bFZV7XOZBw==
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

2026-09-17T10:42:54.987771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060437
observed 14b3de983eb4452150d87ee3005f9fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.968389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060437/manifest.json
observed 430c5aedead7ede63f2de6eb707718f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.951034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060437/publication.md
observed 1c6633e3fbe8d5b8ee27746a03c48782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:54.930928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060437/publication.txt
observed 05255b8094175da6f0d1660f970c0c0b...
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.