OpenTechnical

OT-2026-000068236

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000068236) never changes.

Identity and time

Publication numberOT-2026-000068236 · never reused
Internal UUID01a0ae90-247f-7ae4-be2b-ec1a9562333c · 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-2026-000068236
StatusPUBLIC

Content hashes

Canonical textc2f5916d6f5423ab9f7e67aa4a30240283ba1e0854ffad475f22e73ac473998e
Markdown1c0a3396c8d2b0c87372ab7488aa7925ed803808ae14229020455fb24a23c8ff
PDF
Publication page4dd855f467652bf49c20e50bf920a5949103f5fd5e9e0cf40906ff81cb624f06
Manifestc6d309ae2ba4211f1899df4ac362ebe43628e81ecb06b00d63ae21663433e283

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
SignatureDhKAF6cwAKf9r5pCtJ6sp9rAjjSWRnJ5LP/EoJ9+zk2kioElENAYD0RMPHFOjw/P6u3QFXgNeINkaxezS7zFDw==
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

2026-09-17T10:29:15.220410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068236
observed 4dd855f467652bf49c20e50bf920a594...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.203720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068236/manifest.json
observed c6d309ae2ba4211f1899df4ac362ebe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.187096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068236/publication.md
observed 1c0a3396c8d2b0c87372ab7488aa7925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.167569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068236/publication.txt
observed c2f5916d6f5423ab9f7e67aa4a302402...
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.