OpenTechnical

OT-2026-000075050

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000075050) never changes.

Identity and time

Publication numberOT-2026-000075050 · never reused
Internal UUID01a0ae93-ac2e-7d30-a29a-c88a6da57efa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075050
StatusPUBLIC

Content hashes

Canonical textfc522bba58012044f5b8d17d14e9ac2abc1235923558a4d5772e83a14ef994e1
Markdownadcbfc4a991c3f1e188fdb2dc3732d462d5e3ad8f413863a1efa0aa01f92ecd4
PDF
Publication page5d1fb813fb58cb639c83ba2afb6876e1cc7be09d9fe67c87d3bab87e1e0f6a5f
Manifesteec66131d8a7ecdf771b2edeed892442d2060f0c77b8f0901e46d6e9f0c98659

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
SignatureCTkv2sltBBi7OMFtCzg99EEAMl8lcDIZk3vLmXpLM2QP47TZCVE1nrt+/H/O4DCaYIOC95KmexIZRQM05qU+DQ==
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

2026-09-17T10:18:51.993844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075050
observed 5d1fb813fb58cb639c83ba2afb6876e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.977196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075050/manifest.json
observed eec66131d8a7ecdf771b2edeed892442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.960023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075050/publication.md
observed adcbfc4a991c3f1e188fdb2dc3732d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.943377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075050/publication.txt
observed fc522bba58012044f5b8d17d14e9ac2a...
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.