OpenTechnical

OT-2026-000006166

Publication integrity record

Bellows cup vacuum gripper, two zone face, pump fed, contact triggered

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-2026-000006166) never changes.

Identity and time

Publication numberOT-2026-000006166 · never reused
Internal UUID01a0a951-92ee-7596-8acb-00351ae78514 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:50.673659Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006166
StatusPUBLIC

Content hashes

Canonical text1b6ac5f0a0d93ea658a8ce69aa434a78f98d9b150f2346840bbcc6e9b5ee895c
Markdown3a381ec359626714187902e3869bee45569711d7867f0635791c5445ea8f5c44
PDF
Publication page51c7253e1c44dac0f12fa414dc890676eec4dc267fe8237e4817cfc49e21a76d
Manifest606194c74c2c5ad36c2d5b75f14af2d5984d6a736a1be082014de6099792b146

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
SignatureAU4SEDQkXlfMnnpFt1WB//qNdHn6VPKpJ/q55V3EuZ+issqqptM4afTV7hq/ZySCl9Y8colkP8CDy8vIpsRrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:20.158411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006166
observed 51c7253e1c44dac0f12fa414dc890676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.145896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006166/manifest.json
observed 606194c74c2c5ad36c2d5b75f14af2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:20.131212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006166/publication.md
observed 3a381ec359626714187902e3869bee45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.993271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006166/publication.txt
observed 1b6ac5f0a0d93ea658a8ce69aa434a78...
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.