OpenTechnical

OT-2026-000087999

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000087999) never changes.

Identity and time

Publication numberOT-2026-000087999 · never reused
Internal UUID01a0ae9b-1aa6-7875-8d53-1b43a05aa80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087999
StatusPUBLIC

Content hashes

Canonical text8ad046469273915f304ee0a6d09315873d6a5fc13fb95e251d520695f325268c
Markdowne0dac89e9209b9106a2f971da502bef7342b4e240c35208e177d7c8f26aeb4c2
PDF
Publication pageb9974c0fdf332d06c26ee6caefd6cdedb66cb34af94cb0f387c3cf57c037bd3d
Manifest8119570f95ff322e803982cd77812a182f7b7be6a16f78614b6f8abcb6fa8046

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
SignatureMds4ka11npTjeWgpZn3KX2w8zSi+4MTNKvfG1p7eeXZRAG2qi7AJPICMZg0DmkByTtJF00S4DI0M6RMZhxx1Dg==
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

2026-09-17T09:49:18.292117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087999
observed b9974c0fdf332d06c26ee6caefd6cded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.274224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087999/manifest.json
observed 8119570f95ff322e803982cd77812a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.256499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087999/publication.md
observed e0dac89e9209b9106a2f971da502bef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:18.237491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087999/publication.txt
observed 8ad046469273915f304ee0a6d0931587...
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.