OpenTechnical

OT-2026-000086218

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000086218) never changes.

Identity and time

Publication numberOT-2026-000086218 · never reused
Internal UUID01a0ae99-e82c-71da-ad82-b42c34fa1cfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086218
StatusPUBLIC

Content hashes

Canonical text93cadcd53a78300e02ce0a144a563f468857ed2fc7c4dba8aca7d352bddac41f
Markdown22f6dc7b520a6b81241648081b86902210fb0687a446feee92984e483cab20be
PDF
Publication pagef8d3fd678caa7b4f9ebad7e019c7ced67a73b1653a96dda4c6a644032f03a67a
Manifest3e2c347e7b0eb67e86b4e1a981fd93ab34a9f8ab9f22c3b3136fe5e9dc2cc37c

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
SignaturezNOcDeiNAlikQgsfYR9xI7MZLwCfx4rYnPVKx0pZJ02GHkCsGrE66ADlDX/2T34mssuWZFZdilsT18Ec9Wo6Ag==
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

2026-09-17T09:53:54.146619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086218
observed f8d3fd678caa7b4f9ebad7e019c7ced6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.127995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086218/manifest.json
observed 3e2c347e7b0eb67e86b4e1a981fd93ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.110077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086218/publication.md
observed 22f6dc7b520a6b81241648081b869022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.093085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086218/publication.txt
observed 93cadcd53a78300e02ce0a144a563f46...
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.