OpenTechnical

OT-2026-000091094

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091094) never changes.

Identity and time

Publication numberOT-2026-000091094 · never reused
Internal UUID01a0ae9c-f16b-776e-866c-e6a3702fedc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091094
StatusPUBLIC

Content hashes

Canonical text0d13cc0467d818023c3708ba989c7826a2ac3f5119704d4af01e5640d9b9237e
Markdown991a8c1c1144f4b1189e4b335ba419950951623ead8642a291ca892d86d410da
PDF
Publication pagecd0446b9495cb2c09051f5a3932e2e26d964611190d1dffd220ae90ab5f93e42
Manifest65487d64933177c83b15e7d1b9521c3a97103255479af98185bc6bd7ee4b2360

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
SignaturebG4JVmJITcaWKva6Sne+KkxXocCJcx7Se/cy+RF2uRqm+EmHq3eZN5K/tAHuKtZBLkdGK/YXBYHN6y7yi2qBCQ==
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

2026-09-17T09:43:14.562027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091094
observed cd0446b9495cb2c09051f5a3932e2e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.546215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091094/manifest.json
observed 65487d64933177c83b15e7d1b9521c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.527149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091094/publication.md
observed 991a8c1c1144f4b1189e4b335ba41995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.509384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091094/publication.txt
observed 0d13cc0467d818023c3708ba989c7826...
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.