OpenTechnical

OT-2026-000068700

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000068700) never changes.

Identity and time

Publication numberOT-2026-000068700 · never reused
Internal UUID01a0ae90-2483-76c4-9ce0-27cddca2b66d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068700
StatusPUBLIC

Content hashes

Canonical textc6387b5105f98c2f1cb665d701c5433961f5d130ea6ab1b59fab29be0397e5e2
Markdownf6a2f94f11253db2550a8dc817b3f6fb72f7c2f57918fbf536cddb1c4837bdf5
PDF
Publication page18fa52ab482ce347ebc5637370d1250170aec38a3419b37af3afbdd1321e9167
Manifestda78a0803232097c145d14b76f237138aa36dd7c4b622467c4d1812b6cf7140e

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
SignatureeZ7bmjGj9YUvtGzS3vU7KIM5+2ICS90N8j7P0GhiKxHej0dL4aM8lWrG8AwVNgKZAaa/XfbV0JuNOvL3QvC5BA==
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

2026-09-17T10:29:54.465147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068700
observed 18fa52ab482ce347ebc5637370d12501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.447528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068700/manifest.json
observed da78a0803232097c145d14b76f237138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.429303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068700/publication.md
observed f6a2f94f11253db2550a8dc817b3f6fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.412450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068700/publication.txt
observed c6387b5105f98c2f1cb665d701c54339...
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.