OpenTechnical

OT-2026-000032542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000032542) never changes.

Identity and time

Publication numberOT-2026-000032542 · never reused
Internal UUID01a0ae75-106f-724a-9dea-26e7dc65c407 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032542
StatusPUBLIC

Content hashes

Canonical text2feb228fcb2cb2165e22083ec15a0ecdbef4a39e8f2dbb7999e4c56d8fa81c39
Markdown6977f7fb6dc91122a69f215b881a803e893526a5ba688ae59039e3ae19ed167b
PDF
Publication page3f91b262af42182a6912b8a662fd80c2db81a565ffc6a9a1c6338158ea72b855
Manifest768e7abc3cb378c3a8bc6c9c70a7367498ac4534e6d4014c7a3696c083f8170c

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
SignatureaYGVw+LeQAyvaHEmRlVe3K8LZ4CD1Nq2cbFlD9t+1mNRMRf4F1JIH+iUpF9lhjdgBRawM9gOa9E2RpAUvf/OAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:06.368459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032542
observed 3f91b262af42182a6912b8a662fd80c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.349355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032542/manifest.json
observed 768e7abc3cb378c3a8bc6c9c70a73674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.329400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032542/publication.md
observed 6977f7fb6dc91122a69f215b881a803e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.312088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032542/publication.txt
observed 2feb228fcb2cb2165e22083ec15a0ecd...
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.