OpenTechnical

OT-2026-000041777

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000041777) never changes.

Identity and time

Publication numberOT-2026-000041777 · never reused
Internal UUID01a0ae79-e8a2-79b8-b7d4-95446d790280 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041777
StatusPUBLIC

Content hashes

Canonical text2a273a3274724f0b213e1238117ab29af95a032ef820e88cdfbcc12c08b74707
Markdown3eb28500895e546b467e0c5240f5b5b17c44191380d374dfb1e31951b23ec16c
PDF
Publication pagea1fdafc1e0e6ef4c80ac4a9399efdeb8cf4d6e9a04d15d9010ab3bbe0dfe5d37
Manifestcdc94a42b2eb4c04a108455c95a5ed6f7af11cfdca7763cc87c929a4d079ca36

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
SignatureLo1CaVmq6ZNmriejy/rmmjWSA5eEB4xnWZz6yKzmlxOKUo98Xy1LCJANZ/0RwC9vkfWf6SNeMzSIOmVLJ8pZDg==
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

2026-09-17T11:16:37.679184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041777
observed a1fdafc1e0e6ef4c80ac4a9399efdeb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.662953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041777/manifest.json
observed cdc94a42b2eb4c04a108455c95a5ed6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.645632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041777/publication.md
observed 3eb28500895e546b467e0c5240f5b5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:37.629298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041777/publication.txt
observed 2a273a3274724f0b213e1238117ab29a...
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.