OpenTechnical

OT-2026-000031348

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000031348) never changes.

Identity and time

Publication numberOT-2026-000031348 · never reused
Internal UUID01a0ae74-87ac-7fbc-8137-bf1713af34ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031348
StatusPUBLIC

Content hashes

Canonical text7dda4d48d53bf93ada8b140f9df6fd82891adbca12d0696fc5c003b1b4f3e4ff
Markdownd1bdb4aa4af68ed5a30cf3daca97114030084ba90118f84c1a752a556cdacb82
PDF
Publication page092eda20eeb2f95f8aba037996e2297799d99cd9423744d701e8e6a9ab8d6efe
Manifest85bef7f19a9c3ad110ab24fd9eb4dcc04fd0a5a03401e88991925c9735d6b1a4

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
Signature2BzKuDkOek/S3xtqkKVRIpUAEwukRF3JfwX5pCUFxw1Clu0LJLurhSYE60KhdaXjBdgCWHfbcvz/gGy5OQsKBA==
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

2026-09-17T11:36:02.806926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031348
observed 092eda20eeb2f95f8aba037996e22977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.790073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031348/manifest.json
observed 85bef7f19a9c3ad110ab24fd9eb4dcc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.772697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031348/publication.md
observed d1bdb4aa4af68ed5a30cf3daca971140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.756913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031348/publication.txt
observed 7dda4d48d53bf93ada8b140f9df6fd82...
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.