OpenTechnical

OT-2026-000090058

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000090058) never changes.

Identity and time

Publication numberOT-2026-000090058 · never reused
Internal UUID01a0ae9c-428e-71b5-a94c-f23841103707 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090058
StatusPUBLIC

Content hashes

Canonical text7eadf9176b50f211a5e5c53684ff5e3c9aac7b01d53aea6f35e9d15a9267a544
Markdownfd004b867a031a8048d54fd7a7d5feb5fcf5497148cbec284d08f47179b3c96e
PDF
Publication page5a7ad35ce2cb225ec86a1a45f064731a92b8fe2fb69ef78c7e31c47ac648a7a8
Manifesta618eb4723d49fc5594b7c72fd701c03c5c56a646ae23029f4483334861f71ab

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
Signature0w1RxL1MGd+TV5Yv07SDafNXoDQ2jDQek9JFb56xqli7CrrDkXzZQKeR7T0J/mJ1A44cGwgBAHkT8nrJNKClDg==
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

2026-09-17T09:45:28.078475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090058
observed 5a7ad35ce2cb225ec86a1a45f064731a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.058563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090058/manifest.json
observed a618eb4723d49fc5594b7c72fd701c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.040269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090058/publication.md
observed fd004b867a031a8048d54fd7a7d5feb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.020206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090058/publication.txt
observed 7eadf9176b50f211a5e5c53684ff5e3c...
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.