OpenTechnical

OT-2026-000061873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061873) never changes.

Identity and time

Publication numberOT-2026-000061873 · never reused
Internal UUID01a0ae8b-b8ad-7b9e-9640-5cadf701742a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061873
StatusPUBLIC

Content hashes

Canonical text4c525e95706aff640038b77290fc3b8dc46ed4334ee79ee09f2339c8df0cd0d0
Markdown6b22f3fcc5735dd17bee7c7c79c7bdbc5b478ce1b92cbd9032b286a39444f4ac
PDF
Publication pagead8ac1768ff8ab81c2fdcb17002f486b9fbf4d81fde893ec9111b3703ba7a032
Manifest6392dcf80aff7d8d229dde7668e77c01ba520733008c9cd285644edbfc1b69a4

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
Signatureh8tB/ftZiGuXjvT5iHNaRxG+/avRNWmegKGPacU4g5sxR3jeLu752CHRbGjwI38t2u60t0Ds2HJFndKuNP/YAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:44.162514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061873
observed ad8ac1768ff8ab81c2fdcb17002f486b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.141790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061873/manifest.json
observed 6392dcf80aff7d8d229dde7668e77c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.120987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061873/publication.md
observed 6b22f3fcc5735dd17bee7c7c79c7bdbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:44.100613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061873/publication.txt
observed 4c525e95706aff640038b77290fc3b8d...
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.