OpenTechnical

OT-2026-000048074

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000048074) never changes.

Identity and time

Publication numberOT-2026-000048074 · never reused
Internal UUID01a0ae7f-c423-76d0-888f-bcb5c7feccc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048074
StatusPUBLIC

Content hashes

Canonical text66a271f952b5e4f27188c947c48010f7a157e569f00e9c8bd15ef241a124efa3
Markdown2c7ab5fab730f8b05a75fae2b0fe3c7f1bf5ff78d55d425adfceee02bda6a280
PDF
Publication page4212a6fd6ff40239727af81bcfe1a51b1bbc06dff78f07d33d9d0cc2a7cc1978
Manifestaec8296e6df592456c2c3d081cb5e710ec1a9b23558412fa65d0e70e683f709b

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
Signature0QWChBZqIXJUbqVe7NQEvap0wVlpgPBLuyUYRP27ke+XqyNMAKKfbqevy1+WVfcRsEeA0rRhR7mprGxF637HDA==
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

2026-09-17T11:06:05.405483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048074
observed 4212a6fd6ff40239727af81bcfe1a51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.384829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048074/manifest.json
observed aec8296e6df592456c2c3d081cb5e710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.366911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048074/publication.md
observed 2c7ab5fab730f8b05a75fae2b0fe3c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.349232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048074/publication.txt
observed 66a271f952b5e4f27188c947c48010f7...
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.