OpenTechnical

OT-2026-000050042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000050042) never changes.

Identity and time

Publication numberOT-2026-000050042 · never reused
Internal UUID01a0ae81-fd78-72d5-bfbe-c269784de8e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050042
StatusPUBLIC

Content hashes

Canonical text43b73443d47db9d155e2f9a023c4ee0c358cf6f438b5dedc20b1ce3704690681
Markdownca0bc812c34570ffcc8eb2dca8fd4373da044e5f7b29efd489fd257e008ff855
PDF
Publication page28bf7920f1205f19752ab04718c58605eecac8f0c643671276452b97161a6193
Manifestab6cb455ded58d19fb6c6f71d9ea848c17a8fc0f70d3ef9304d62c841ff1da68

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
SignatureWn+HhKYBvFEwubpbnOs5d7I1sQ4A58nyfDlu7hph/WiLHLiK62Csi08KV8sqj5L/33uGOf9gctaiQUAYqJCrCg==
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

2026-09-17T11:02:01.180011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050042
observed 28bf7920f1205f19752ab04718c58605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.160243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050042/manifest.json
observed ab6cb455ded58d19fb6c6f71d9ea848c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.132048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050042/publication.md
observed ca0bc812c34570ffcc8eb2dca8fd4373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:01.103385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050042/publication.txt
observed 43b73443d47db9d155e2f9a023c4ee0c...
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.