OpenTechnical

OT-2026-000063947

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000063947) never changes.

Identity and time

Publication numberOT-2026-000063947 · never reused
Internal UUID01a0ae8d-53bb-7eb9-ba00-a25f1c98cdf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063947
StatusPUBLIC

Content hashes

Canonical text1a18d28c7877d7d0773a110615372d5d9fd909ee4dadffdef0437bbf7951f24a
Markdownd4c66d2cda06f29659709c0620c2e2dc5ceca87e9f6f5460e2b501cd1001416a
PDF
Publication page1819cafdf1ed14d402325dd3e9ee61d61cbf2afb97d7d6c00334b6fc7a872ec4
Manifest40b52404920725b7799bb919300ce0d0cc71f1e495180ecb64cb692001db4872

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
SignaturecOL1YMMsWMKZAPYZx13Od/j7iFaRpR67eh0mrfybVsCW9XzS4zrFgkqVlwFOz8vBCy6N0m+GGX/DoSN5XkZhAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:00.399327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063947
observed 1819cafdf1ed14d402325dd3e9ee61d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.379558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063947/manifest.json
observed 40b52404920725b7799bb919300ce0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.360579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063947/publication.md
observed d4c66d2cda06f29659709c0620c2e2dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.343448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063947/publication.txt
observed 1a18d28c7877d7d0773a110615372d5d...
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.