OpenTechnical

OT-2026-000007383

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, two stage ejector, polyurethane cups

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-2026-000007383) never changes.

Identity and time

Publication numberOT-2026-000007383 · never reused
Internal UUID01a0a97c-d344-7082-ae6b-60411e1580c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:05.191249Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007383
StatusPUBLIC

Content hashes

Canonical text2502f049cecfba85a8635b10f07973de3843416c2619b0012557ff696ae50794
Markdown9cbc77e26b3f382df2821d5e8e2d5a2e8a37f0b6cf0cbc283d8b98e9befc373b
PDF
Publication page809225de28b470f441222cbf9336ae812db4257e7692029269ecdf3db25a0072
Manifest92b44f2595a016dd8c3e2d38264d1671e19d85c8bbb7b3473f4dbb2e1e9f870c

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
SignaturejX0rZgqu0+uIl+NSVIo/AkyBjOygTYDZNOWWh54k94t10l3d4V4TGBqUtDMGJvYjtg4EwcCtcDxZAWqdQ6ALBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.472853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007383
observed 809225de28b470f441222cbf9336ae81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.457560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007383/manifest.json
observed 92b44f2595a016dd8c3e2d38264d1671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.442948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007383/publication.md
observed 9cbc77e26b3f382df2821d5e8e2d5a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.429405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007383/publication.txt
observed 2502f049cecfba85a8635b10f07973de...
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.