OpenTechnical

OT-2026-000062602

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000062602) never changes.

Identity and time

Publication numberOT-2026-000062602 · never reused
Internal UUID01a0ae8c-0ac1-7406-9b1e-2cabeb5c80eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062602
StatusPUBLIC

Content hashes

Canonical textb2c86b949a83c0446b3faead65feb9c48cade81df88c0a8f0ecf35048f7cdfd2
Markdowna2acaad28c393836d71c2bf180d7b07d8ab7cd9b18e77071736d104857baecf9
PDF
Publication pagef091b871630b054d2dd5ef0ee6cc5c46054a71432b475be9f663a4105b2b912d
Manifest29eb05bbadfc1d2f2416df1e3af20fa3734826b4c424b8a4628a3b3f5539580e

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
SignaturekWaUh3w7IBnTaBLKTv/7GWQiMVAM87wm4OBSDg6K9AV7Z9Uwtb0eZAHHdTxyaI/FhHzPXy8GqsVSYgpC76FQDw==
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

2026-09-17T10:40:06.119731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062602
observed f091b871630b054d2dd5ef0ee6cc5c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.101211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062602/manifest.json
observed 29eb05bbadfc1d2f2416df1e3af20fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.081649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062602/publication.md
observed a2acaad28c393836d71c2bf180d7b07d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:06.063046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062602/publication.txt
observed b2c86b949a83c0446b3faead65feb9c4...
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.