OpenTechnical

OT-2026-000030927

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000030927) never changes.

Identity and time

Publication numberOT-2026-000030927 · never reused
Internal UUID01a0ae74-3fb6-7511-9fbf-6e90769bbdcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030927
StatusPUBLIC

Content hashes

Canonical textbe0f5677742f6c97a5cf8c694c324f8779ccfb42c9e0fb8488c0aded0be57663
Markdownb8ccd92da73a1aaa5d0d59b353dc9e8a518c78e229a4f796f06c7fcb26108101
PDF
Publication page1707a31efe80e796816a8fb67c68f637a495dac95dde3a7936a07924b18c2540
Manifest99cbc9cf3855a600f6361af90e35230ed427f3ad902b9ab2d9a3bedaeb232007

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
SignatureEUxfEkf3bsGvDJz8QELbTKd3elQugDyPJIH/avfN6PT0SA9Y+Uvve+/1pgz2oPVIFsCtXh9MqFYdh7txog2NDw==
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

2026-09-17T11:36:55.239430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030927
observed 1707a31efe80e796816a8fb67c68f637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.223300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030927/manifest.json
observed 99cbc9cf3855a600f6361af90e35230e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.205164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030927/publication.md
observed b8ccd92da73a1aaa5d0d59b353dc9e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:55.188380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030927/publication.txt
observed be0f5677742f6c97a5cf8c694c324f87...
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.