OpenTechnical

OT-2026-000081188

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, vented after set-down

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-2026-000081188) never changes.

Identity and time

Publication numberOT-2026-000081188 · never reused
Internal UUID01a0ae96-f373-7e17-97d1-606be232f459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081188
StatusPUBLIC

Content hashes

Canonical textcfd817d8c91f9fc6f953c1f2a0fcc26e5ff20252e8c3b31dc6aee0638bc06aa4
Markdown908753c897b9af5081fb0c7c3a24d365effc509f2cad768ee727b14fa511a9c6
PDF
Publication page8d501bdf8f4e67d2930113a3378e1280132f9dd9a2b70d62d1f80575d3c27574
Manifest1b8be83a1b0e3c01fd49ec9159cbdbdd1e809d93e88add173b7047758d2c2704

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
SignatureFLjbyEQTqjGNNaNMMyKs4XX/zCtwGPN+XnxyrKMtOlPCcpkPrs3eJHAiQphkSKJXgfaBo/+Y0FUEjIK92iwtDw==
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

2026-09-17T10:01:15.454228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081188
observed 8d501bdf8f4e67d2930113a3378e1280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.433876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081188/manifest.json
observed 1b8be83a1b0e3c01fd49ec9159cbdbdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.416743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081188/publication.md
observed 908753c897b9af5081fb0c7c3a24d365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.398337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081188/publication.txt
observed cfd817d8c91f9fc6f953c1f2a0fcc26e...
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.