OpenTechnical

OT-2026-000067976

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000067976) never changes.

Identity and time

Publication numberOT-2026-000067976 · never reused
Internal UUID01a0ae8f-c4fd-726e-a998-1de82deaf987 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067976
StatusPUBLIC

Content hashes

Canonical text4a5857d2d44f24fca713f312d45cb5bea80833fdadf7d61865371e8a2d842aac
Markdownd656842e594b2950da861621d59f6c8990d05a5f2103c30a61b381bfd878a761
PDF
Publication pagea9007a3ed150b544cb6666e35f8a911a20d76456019d6947382f8a580e45d80a
Manifest26bec3b93df68d89624142118b7c462be4ba8fdb2677f1909cdd36befdab6fe9

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
Signature8Y7KYPlgDPXdKWxMHJn2+hdWlbFngqyV1DRFfKqD4EWQb5Hr5JkNzOiagP0ncS1XXJwvSC2VdLHJCoaI7bWGAA==
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

2026-09-17T10:30:31.325442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067976
observed a9007a3ed150b544cb6666e35f8a911a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.308634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067976/manifest.json
observed 26bec3b93df68d89624142118b7c462b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.284609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067976/publication.md
observed d656842e594b2950da861621d59f6c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.266110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067976/publication.txt
observed 4a5857d2d44f24fca713f312d45cb5be...
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.