OpenTechnical

OT-2026-000060422

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000060422) never changes.

Identity and time

Publication numberOT-2026-000060422 · never reused
Internal UUID01a0ae8a-b7cb-7dc6-9a28-bf4ae4b4fad1 · 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-2026-000060422
StatusPUBLIC

Content hashes

Canonical text3dc36b1d0415b4dab591474914052219645e3ec4a2dbd3326b1abafb6bc400c6
Markdown9d3600a147fb153fa7139e71bfb4d4f1d3648be199c286c8ac8ab242c196757f
PDF
Publication pageb7d7fbc96adeb95bb21fea6bcd516c873d06a71b4dffbaadb1f6a8d9ffc3ca0e
Manifestf018b1fa5f2de6363281231a3da9ea80c28560e228f80fc6177914e9c8026e5f

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
Signaturee+26FhV/ab+mgVtHmMTRB1oxc2p/ZQwojjyT+jI01Xeks9DsNGiyRtos0zKKmV2nt53ZyliAIFmdBRoBSZb3DA==
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

2026-09-17T10:42:53.773036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060422
observed b7d7fbc96adeb95bb21fea6bcd516c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.754997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060422/manifest.json
observed f018b1fa5f2de6363281231a3da9ea80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.734420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060422/publication.md
observed 9d3600a147fb153fa7139e71bfb4d4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:53.715924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060422/publication.txt
observed 3dc36b1d0415b4dab591474914052219...
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.