OpenTechnical

OT-2026-000034772

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000034772) never changes.

Identity and time

Publication numberOT-2026-000034772 · never reused
Internal UUID01a0ae76-1ed2-711f-bb6c-6a94a4c4f900 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034772
StatusPUBLIC

Content hashes

Canonical text739f6b7307fe9f704de7d4577ae86fa5ea37dbc8daeb5dc0a1be6ddf5f16d39d
Markdown26a27a142f0ff3ec9a79ad9c0980f5537d5b59962f7878883cf9121744f5acba
PDF
Publication page06ebbd39f23546eed9be749a2de442b17b17e70e522449fd5185c56d56e9f916
Manifest7f8ba1ab8113f504ffee1e23c4a6a328fbc4154d74e49e37bc1b456ff50eb3e5

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
SignatureE5IHiTK3PXvPJe+qtbZBSyyQhiQP1Ilx5ORlZlMdoLICx1IgiWSZU+YZDkZEruU3TYsUn7AsUdxUEXq7mFvGDg==
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

2026-09-17T11:30:16.097203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772
observed 06ebbd39f23546eed9be749a2de442b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.078423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/manifest.json
observed 7f8ba1ab8113f504ffee1e23c4a6a328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.061106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/publication.md
observed 26a27a142f0ff3ec9a79ad9c0980f553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:16.044173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/publication.txt
observed 739f6b7307fe9f704de7d4577ae86fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.485935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772
observed 06ebbd39f23546eed9be749a2de442b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.468160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/manifest.json
observed 7f8ba1ab8113f504ffee1e23c4a6a328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.449280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/publication.md
observed 26a27a142f0ff3ec9a79ad9c0980f553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:44.429361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034772/publication.txt
observed 739f6b7307fe9f704de7d4577ae86fa5...
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.