OpenTechnical

OT-2026-000075957

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000075957) never changes.

Identity and time

Publication numberOT-2026-000075957 · never reused
Internal UUID01a0ae94-2a00-7246-a410-edd8d4169c65 · 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-2026-000075957
StatusPUBLIC

Content hashes

Canonical text8a8453d731dec3145486eaf24eac0bfc3ab3afb819bf903d4630b70006f9a859
Markdown2285e3a13d3717b73d5b2781e7133b960eb7aeb141cd5aca67326327cee9af42
PDF
Publication page68b3da042d0de2f5b6df72619f82aabed45f1ea37fe68774f49b2f14405a6958
Manifesta96e1e09e7d1052b08564475e1f2a2c7edd991bffca75c690ac565d3de7f372c

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
SignatureUE9r+YDhlvAOMxs5vVRY3k6AjqMUEDM6nBqpKUFO6QzdKsbgSOi8je0SUkd14y2otrEOwUdV67G3jzVVysTMAA==
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

2026-09-17T10:20:11.604026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957
observed 68b3da042d0de2f5b6df72619f82aabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.581154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/manifest.json
observed a96e1e09e7d1052b08564475e1f2a2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.557864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/publication.md
observed 2285e3a13d3717b73d5b2781e7133b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.531563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/publication.txt
observed 8a8453d731dec3145486eaf24eac0bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.291832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957
observed 68b3da042d0de2f5b6df72619f82aabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.275195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/manifest.json
observed a96e1e09e7d1052b08564475e1f2a2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.255902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/publication.md
observed 2285e3a13d3717b73d5b2781e7133b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.237441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075957/publication.txt
observed 8a8453d731dec3145486eaf24eac0bfc...
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.