OpenTechnical

OT-2026-000075958

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075958) never changes.

Identity and time

Publication numberOT-2026-000075958 · never reused
Internal UUID01a0ae94-2a00-7d27-82a1-725caee3ec95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075958
StatusPUBLIC

Content hashes

Canonical text32983d32b6de4c395384d11257865bee62d32d54cb0bda7860d335912bbf3255
Markdown639b07838524a980c66ca08a0e36e1fea766ec6a6dd97e5f7becad0d93a16afa
PDF
Publication page6fec14cb35ad1f09372456a591e3b5cda0b89a2af04af0f6404a1c5e77824057
Manifest71f71275bf2cb599069c2e219f96f522d291f861f70c7ec1bfd4c4f487d3e1aa

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
SignaturevvgP5s8z+2TZ6A8Ahvy/o8xR6MR+kTxYEEo8OYzSstbmXRvwWbJtZs5j8PZBHaCvJnspSJtDZc8B8qotYHd3Cw==
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

2026-09-17T10:20:11.701841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958
observed 6fec14cb35ad1f09372456a591e3b5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.679341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/manifest.json
observed 71f71275bf2cb599069c2e219f96f522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.655996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/publication.md
observed 639b07838524a980c66ca08a0e36e1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.630433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/publication.txt
observed 32983d32b6de4c395384d11257865bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.490605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958
observed 6fec14cb35ad1f09372456a591e3b5cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.471554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/manifest.json
observed 71f71275bf2cb599069c2e219f96f522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.453427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/publication.md
observed 639b07838524a980c66ca08a0e36e1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.313049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075958/publication.txt
observed 32983d32b6de4c395384d11257865bee...
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.