OpenTechnical

OT-2026-000062620

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062620) never changes.

Identity and time

Publication numberOT-2026-000062620 · never reused
Internal UUID01a0ae8c-0ac1-7a4e-ba5f-f1b9d771ca92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062620
StatusPUBLIC

Content hashes

Canonical text7de11431c448f7e1fedc2413798803c3360df379be6c95da747d10448b7f2110
Markdownc8a088890a5bd2c2b1e1c6b403d35645d68846bd4d41234d6936bdd7ed100589
PDF
Publication pagee991126c1d903c1913b0bd84ab1f1c29cb51ed6c31343020834aee99ca154303
Manifest336900b9ae9693771c7ee3c5938b1cbb7e7511638e8dfcec7f08b11def7a39dc

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
SignatureNoCUCujGXkyNPusGFuKl0mj6WewHQAu+Soi04a/LPcW6zxmLcu9u/j6vdhd8rv25zxOg84HhjPHXFKymQYR3AQ==
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

2026-09-17T10:40:07.702130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062620
observed e991126c1d903c1913b0bd84ab1f1c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.682776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062620/manifest.json
observed 336900b9ae9693771c7ee3c5938b1cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.663984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062620/publication.md
observed c8a088890a5bd2c2b1e1c6b403d35645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.644307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062620/publication.txt
observed 7de11431c448f7e1fedc2413798803c3...
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.