OpenTechnical

OT-2026-000038631

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000038631) never changes.

Identity and time

Publication numberOT-2026-000038631 · never reused
Internal UUID01a0ae78-2d54-7eb7-99ed-b372ee333799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038631
StatusPUBLIC

Content hashes

Canonical text811168ecb1dd80c22771947e70c7eba0f67b42e038b96ccadc8db7654fed5147
Markdown5ff4db017df10126d1f9f9bcb468dddb9a20a6065121fe260f9e00101f32f207
PDF
Publication page395b7158d12409319b338bd7e254b3c2a31a9d0e783bbe6f649dec3b01e3f455
Manifest9c701a4879aaf9c18552fc4a9b0ade82b18e8b07d79ba68eb73b4dd0ad994541

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
SignatureMfdnpQEukQXs4VLMStRzrOg3emqc9Q8CxVz4YAaxJ4L3NeLf1EhqUjZvcv7DGYlmJ6sE/ANeUY4AiVMhZLOKCA==
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

2026-09-17T11:22:53.393512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038631
observed 395b7158d12409319b338bd7e254b3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.374862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038631/manifest.json
observed 9c701a4879aaf9c18552fc4a9b0ade82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.357371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038631/publication.md
observed 5ff4db017df10126d1f9f9bcb468dddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.334776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038631/publication.txt
observed 811168ecb1dd80c22771947e70c7eba0...
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.