OpenTechnical

OT-2026-000086868

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, sustained 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-2026-000086868) never changes.

Identity and time

Publication numberOT-2026-000086868 · never reused
Internal UUID01a0ae9a-80a4-72d5-9144-906c84f8e921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086868
StatusPUBLIC

Content hashes

Canonical textff3ab39246d0aa0bc3b9c3e5b7f9fa9d68e01a7667600b6f5800faae56ffd6b5
Markdown621bfe5dbf5d5ed1ad7afacdad9cb70c8a581d3679b22bb5ddbb7e7e5f83bcb5
PDF
Publication page2bfa81d6fe14c5445981ac78819c074f1371423f0b7a5da729ef7314b1d79782
Manifest9bb6fda2a0c708d78b08da071bfe1656aaa8bfee0afdb7db0e27802709afa21c

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
SignatureSXA1qr0rAZLx3S0+WLlNfYlj4bpxr2MI+pKZu7h09XN5/IssNtS98qXbdp5s24nznlZdZm3uDYl6lB//FgSNAw==
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

2026-09-17T09:51:42.647164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086868
observed 2bfa81d6fe14c5445981ac78819c074f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.630293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086868/manifest.json
observed 9bb6fda2a0c708d78b08da071bfe1656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.613371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086868/publication.md
observed 621bfe5dbf5d5ed1ad7afacdad9cb70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:42.595070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086868/publication.txt
observed ff3ab39246d0aa0bc3b9c3e5b7f9fa9d...
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.