OpenTechnical

OT-2026-000027360

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000027360) never changes.

Identity and time

Publication numberOT-2026-000027360 · never reused
Internal UUID01a0ae72-6997-7654-bfe9-6e7272afe1a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027360
StatusPUBLIC

Content hashes

Canonical textfe996c03c7e73d8ddda6efd464a94209c3485bc768ab8d65a9ed6e45126c1cce
Markdown6401c0581ba7890b42ec0dc2a839d83a9317ea43a4ad4a2fdf823d77186d821e
PDF
Publication page90eacc1767e76524c7ae1f0cba54cf589230b266131cceb50c2587338b268aee
Manifest92b06f7877616434a33f0232f34e477cfb164a7e497fc6258060c3bc8727bc09

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
Signature9BJ+cE1uAZti0zUShcxhI6w7UcxOH81Ndb57htphGRRYfBg9CZcQcg+yUaAF8sn0z/7jpQDDiv03RtZONz7wDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:46.306527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027360
observed 90eacc1767e76524c7ae1f0cba54cf58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.287966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027360/manifest.json
observed 92b06f7877616434a33f0232f34e477c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.267552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027360/publication.md
observed 6401c0581ba7890b42ec0dc2a839d83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.250597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027360/publication.txt
observed fe996c03c7e73d8ddda6efd464a94209...
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.