OpenTechnical

OT-2026-000103287

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000103287) never changes.

Identity and time

Publication numberOT-2026-000103287 · never reused
Internal UUID01a0aea4-be3f-75e0-b5f1-a989f8289a98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103287
StatusPUBLIC

Content hashes

Canonical text8d9f366705057d3179187c7c6a12e3cf998d496d3d032b34de639b1fc720f086
Markdown654d9bb7c12a5c24ad34bf5fa8883047162e46c4d893db8b47f5cd7a9ca8e8d4
PDF
Publication page5e12f00a537fdeee882a84e57b8b71bb1babcc6b8165367e6e74e37e5b1866b0
Manifest04b4071c3b3c5f5b1384f29b3c8a3ebe2528a124adb895653fa58b4773a87877

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
Signaturey+EV3v/fRqNhpTNGsD4cfrfW9w4iFTScCcvEB90AsyEii9sSxrjcew/7MQa2GtT8kG1IjG8SvJn7oJE0CKWxBA==
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

2026-09-17T09:23:31.874557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103287
observed 5e12f00a537fdeee882a84e57b8b71bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.857179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103287/manifest.json
observed 04b4071c3b3c5f5b1384f29b3c8a3ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.839648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103287/publication.md
observed 654d9bb7c12a5c24ad34bf5fa8883047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:31.823157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103287/publication.txt
observed 8d9f366705057d3179187c7c6a12e3cf...
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.