OpenTechnical

OT-2026-000041041

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000041041) never changes.

Identity and time

Publication numberOT-2026-000041041 · never reused
Internal UUID01a0ae79-b10e-7bbe-8751-a57a753bc328 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041041
StatusPUBLIC

Content hashes

Canonical text3bf643f752aee2d63e7893babdb6dbcfbd0cc1e4069cd552124eaf902742f3e8
Markdownc9b30cce913f34edcfe60ca023c141acb21406fb63c13bdafa679605b12c412b
PDF
Publication page1aadacf9d678f8de567cfc1040f4fa927965e38d1e1f706d3dd6e1520616019d
Manifest649fa3b52f5e0f0a1b00c1a0162e68b013d34ad4aa4cb6497168200418efc072

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
Signature7i/HARySPY2IgF0IxZoj2MDD1MxjE68iKdHbJ3xeTLJWSFOkmAq7Riyj5y0RRxOLV4DqnoShEx6S9HzrrQfbCg==
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

2026-09-17T11:16:57.097227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041041
observed 1aadacf9d678f8de567cfc1040f4fa92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.080574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041041/manifest.json
observed 649fa3b52f5e0f0a1b00c1a0162e68b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.063894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041041/publication.md
observed c9b30cce913f34edcfe60ca023c141ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.047468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041041/publication.txt
observed 3bf643f752aee2d63e7893babdb6dbcf...
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.