OpenTechnical

OT-2026-000102196

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000102196) never changes.

Identity and time

Publication numberOT-2026-000102196 · never reused
Internal UUID01a0aea4-50f3-728d-93cf-25d320abe4ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102196
StatusPUBLIC

Content hashes

Canonical text0b30ff152eb2dbd4d9cab0a98f93930060932ecf7e2465cf24ac1f933b0645f7
Markdown2dc5f669139ac11acbf12e4e9240fd5b508a3becdd4ded63b04a3458c4d14ef6
PDF
Publication pagea07d573d151121171b197a119a850faee951a636bd08d9ff06f4a720584721a0
Manifest6722902f83759bb6c1899017f6c6a46005c788493e8701a4c79e8b8365b7e685

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
SignatureiKmsRW9b4zH625NjUmgt7GcgbbgUH828QezkqNMgAiSl6HLxUP8owRb2XtDr9PHQ++JMuvNdXrGKubrgf+IrDw==
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

2026-09-17T09:25:22.234057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102196
observed a07d573d151121171b197a119a850fae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.214315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102196/manifest.json
observed 6722902f83759bb6c1899017f6c6a460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.183429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102196/publication.md
observed 2dc5f669139ac11acbf12e4e9240fd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:22.151073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102196/publication.txt
observed 0b30ff152eb2dbd4d9cab0a98f939300...
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.