OpenTechnical

OT-2026-000032069

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000032069) never changes.

Identity and time

Publication numberOT-2026-000032069 · never reused
Internal UUID01a0ae74-bad3-775e-8ad9-120887feb43b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032069
StatusPUBLIC

Content hashes

Canonical text222d7a34aeb62e3b364bc491aea9a21283485e9cc1eff760379e5dffc8fe7b0e
Markdowndc881fe50584ffd16e7901756bb57e442cfb9c1551cde449f3d8aabb9af4bbf0
PDF
Publication page1d2d8f830c68b8065bf8ce39e358436db81970ee2073e009005ccb3ac563c7a5
Manifest058b3a18695c783d64661ad3c95dc9acc936ba66f39ed13007551b777578ab2b

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
SignatureK1i+IzgMVqSSCYTddk94jrPQ7lSP5FIWAA/nsI4MIAaquLfh/sBO2fZaoLxC7TiVXIGNk5JG/VbIEcrYHVqaDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:29.355253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032069
observed 1d2d8f830c68b8065bf8ce39e358436d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.338790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032069/manifest.json
observed 058b3a18695c783d64661ad3c95dc9ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.321652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032069/publication.md
observed dc881fe50584ffd16e7901756bb57e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:29.304332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032069/publication.txt
observed 222d7a34aeb62e3b364bc491aea9a212...
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.