OpenTechnical

OT-2026-000087171

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000087171) never changes.

Identity and time

Publication numberOT-2026-000087171 · never reused
Internal UUID01a0ae9a-9f2e-72b3-b4d3-4aafa0b6f058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087171
StatusPUBLIC

Content hashes

Canonical textc98e774d7f7194c6aff3b49f7bf4785bef9c27299bb84d454d48fe96b4d933f1
Markdown1df678e7e88b9addd9d474ff4c10b38cf29ebcd121365681d7a5e84a128de54d
PDF
Publication page451c7c532c09f628a890d76b2a79ca689c8894927d392913d58f4dcc3b080a73
Manifest66a9b85b5f108bf1018f61c9d0a081909756530bfdf0f049d5fee105c169d136

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
SignatureK75C6V6OOqcGKAMhUt0WiYUIuTtVtYsFQXFwk24QZbtx2uzhf4umW+kKuxDYl0QMOPvMm+kXM1n5qj4AsnsCBw==
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

2026-09-17T09:51:26.439785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087171
observed 451c7c532c09f628a890d76b2a79ca68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.420737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087171/manifest.json
observed 66a9b85b5f108bf1018f61c9d0a08190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.403609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087171/publication.md
observed 1df678e7e88b9addd9d474ff4c10b38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.387849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087171/publication.txt
observed c98e774d7f7194c6aff3b49f7bf4785b...
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.