OpenTechnical

OT-2026-000080097

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000080097) never changes.

Identity and time

Publication numberOT-2026-000080097 · never reused
Internal UUID01a0ae96-4378-7427-8e20-1cec294c838d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080097
StatusPUBLIC

Content hashes

Canonical texta007eeb9e7fa1dff3417ae9ef705492a0fd413691650ba94e875d2c49c670dbb
Markdown175e8bac40252591f0f583cf5f9067fb44c086a81147ed6fca473fe32ea9c865
PDF
Publication page2bd43d02dc0755f7c4246f18fd092e559581cc52a3371845a5fb2ef7e91a83b8
Manifestde7508dbfa06d296f5b7ef9f36e55a9f4e230ab0ba200ce12420e8cf72b486e9

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
Signature3zDvtjf+5aKVO+Q9iNYG7eWJ0y1YmBjBWN8ntkUiFso9QDX2UFpEZ5SVLZaBMB+T3yXJa8rLbhjKqjoO2RBfBw==
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

2026-09-17T10:04:02.197704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080097
observed 2bd43d02dc0755f7c4246f18fd092e55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.178551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080097/manifest.json
observed de7508dbfa06d296f5b7ef9f36e55a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.160929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080097/publication.md
observed 175e8bac40252591f0f583cf5f9067fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.142834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080097/publication.txt
observed a007eeb9e7fa1dff3417ae9ef705492a...
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.