OpenTechnical

OT-2026-000056672

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000056672) never changes.

Identity and time

Publication numberOT-2026-000056672 · never reused
Internal UUID01a0ae87-7af6-7482-aed8-c76a97eceb82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056672
StatusPUBLIC

Content hashes

Canonical text8eeabe177a6d523924d1620ef56ee0cc1ba776c9212b3fcf2e39cadba2374038
Markdowne9bf29d1d2e9fe1afaf3823d6ebd9efbd3cd357737c591742bc483298b7e06a1
PDF
Publication pagea0e1b1983f7e55e7519590c8ddf06dce382fd01425253da357d0b298fd1b375c
Manifest4b1fc4773c4578a53b26287510943c8f64121f8c20cba9811bb5d0b2604fc157

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
SignaturewqOX4taMnV15THCwNXYDxCjB2zr7xGZyInw9V1wdxNL9sMfCJYoITkzs3qNIIt1u1ySAJYvHKLiZooUQ/mAUBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:04.101151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056672
observed a0e1b1983f7e55e7519590c8ddf06dce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.082343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056672/manifest.json
observed 4b1fc4773c4578a53b26287510943c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.063343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056672/publication.md
observed e9bf29d1d2e9fe1afaf3823d6ebd9efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.044984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056672/publication.txt
observed 8eeabe177a6d523924d1620ef56ee0cc...
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.