OpenTechnical

OT-2026-000084237

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000084237) never changes.

Identity and time

Publication numberOT-2026-000084237 · never reused
Internal UUID01a0ae98-5b60-7249-8300-f6c64ff0d502 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084237
StatusPUBLIC

Content hashes

Canonical text0b7d90569397387aa5f5bfc56240a5d41b9cab17f591013e315a3048e37bf029
Markdowna5d1b43e7bb40681a6bb9a6f8924175a3cca21172a963262d8a0f1fdf79b5c01
PDF
Publication page5d7a5fd326f3f08e2fb4fbaa1872b11445da1cd5eeb514065b542987162d7b8a
Manifestbf67d47461708719a89dcd20f81f052d55af62a2e5ace348fb60deded50ee789

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
Signature3XwDC47YcMacE0s5cYLj770eAtFaNWr4jwFMZyFNramDH+rQEFslK/uLZxvF16s1pX+V0oPrmeGOvLXmJBgPAA==
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

2026-09-17T09:56:02.054793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084237
observed 5d7a5fd326f3f08e2fb4fbaa1872b114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.034208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084237/manifest.json
observed bf67d47461708719a89dcd20f81f052d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:02.001815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084237/publication.md
observed a5d1b43e7bb40681a6bb9a6f8924175a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:01.983242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084237/publication.txt
observed 0b7d90569397387aa5f5bfc56240a5d4...
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.