OpenTechnical

OT-2026-000092872

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000092872) never changes.

Identity and time

Publication numberOT-2026-000092872 · never reused
Internal UUID01a0ae9e-090e-7f6f-8d4c-2f2a199dce11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092872
StatusPUBLIC

Content hashes

Canonical text8b0cda30f0cb8ef74f0c3f0091463c4c8f920794013dba54a03e054874fca072
Markdownd12c87b6d25c7dc4688fe358aa1a0b1ba53cfc27eb786b97bdbfb915bc587598
PDF
Publication pagea8dd693bb9a5994e65bd7b74c0a7d0cd4c3b4a1dfd5918dee5485f72ada20d55
Manifest0e3785e7b8f6ecb1793285683d63e1457543736601928bcda686537960141dc1

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
SignatureoD+nr+Q/S26dbPXn+1svrIDvOPyaATJvqXxeZSnF4mwt2AojyTbqIM7eWv6l+pHDQqjZPVeST+1xxCY9hDAqDw==
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

2026-09-17T09:39:58.677755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092872
observed a8dd693bb9a5994e65bd7b74c0a7d0cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.660636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092872/manifest.json
observed 0e3785e7b8f6ecb1793285683d63e145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.604011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092872/publication.md
observed d12c87b6d25c7dc4688fe358aa1a0b1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:58.543308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092872/publication.txt
observed 8b0cda30f0cb8ef74f0c3f0091463c4c...
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.