OpenTechnical

OT-2026-000027968

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000027968) never changes.

Identity and time

Publication numberOT-2026-000027968 · never reused
Internal UUID01a0ae72-a51f-71f4-9f12-22fb9e6929c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027968
StatusPUBLIC

Content hashes

Canonical text1565ee74c441ec350364220e3054d7c03b15e6812d1b792283299f3ba3081b9f
Markdownb818963065032f2c677b2946f2f6744a213e605dc926b9a8010bcffd7ca6ac63
PDF
Publication page9d02c203ec1039a04dcea2ba91b2d9778fba5b0be8977fea50e827cacfcc2bcb
Manifest8167907e27c8082fb7fe06ebf5839eef641d2f0c7e0b2ae69c3d5a0d429b3318

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
Signaturea6oQKcNaH2HyD3SWbAG5EaWSA5n4hVHxHvvKg94LfKQJHf4PTWenbEKRWlnl1iX5UOh8hrYRqQoE6CiJNvr7Dg==
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

2026-09-17T11:42:09.745554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027968
observed 9d02c203ec1039a04dcea2ba91b2d977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.730193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027968/manifest.json
observed 8167907e27c8082fb7fe06ebf5839eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.712464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027968/publication.md
observed b818963065032f2c677b2946f2f6744a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.694683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027968/publication.txt
observed 1565ee74c441ec350364220e3054d7c0...
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.