OpenTechnical

OT-2026-000032237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed 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-2026-000032237) never changes.

Identity and time

Publication numberOT-2026-000032237 · never reused
Internal UUID01a0ae74-f7a7-7513-a05c-4b4397efadc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032237
StatusPUBLIC

Content hashes

Canonical textabf8ca094597c2396c071b27c9532ffa014187d3474a19489f9dd58ddad517e6
Markdowncf143cbdc6416a751f9bcecffeeb59f141b64ca4051a5bbb36e133867a22b779
PDF
Publication pagea6e88be63e8f1060dcf7440e022f5853026da587804a0c4a16003b468be4d324
Manifestc10f8653eb9687bb7b03e321759e77c82b16a30a0a30e28ab1b719123884ebcb

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
SignatureBwNeotiOzpcRoZrYAU+Rzv4EmU5dFgJdqnmXGaPyFxcoKWPLf0KIqK5eGKOsGG8bF5ifI6buLHk9HqntIxwmAw==
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

2026-09-17T11:34:35.470293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032237
observed a6e88be63e8f1060dcf7440e022f5853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.453675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032237/manifest.json
observed c10f8653eb9687bb7b03e321759e77c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.436529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032237/publication.md
observed cf143cbdc6416a751f9bcecffeeb59f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.418036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032237/publication.txt
observed abf8ca094597c2396c071b27c9532ffa...
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.