OpenTechnical

OT-2026-000061282

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented after 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-2026-000061282) never changes.

Identity and time

Publication numberOT-2026-000061282 · never reused
Internal UUID01a0ae8b-1384-7638-81d1-1c2a49616cf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061282
StatusPUBLIC

Content hashes

Canonical text9dafc1062ebad969f26230808cb46c68fb38c11928689db7da06196b4a4297b8
Markdown16cd9b5e20e4b319f075a905e333d6f3ddd4354441f3787bd4c5a74e573d48f6
PDF
Publication page9466aa3924a4ca9b60d7114c2a7cbb1538787c6eb5e767ac5a581302d07bef16
Manifestbf82ae24544bf7b47cda4331e52373378fed4de28913b09091acaa9b68760d30

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
SignaturePbxElZI+EWEpj0yj7TF3IKREthyjkFWz9Dyj8YRGEhZuXlYwVewHzW3GTgDsb6AaxJZv96gJOL/EzRHJz6RtDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:42.323647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061282
observed 9466aa3924a4ca9b60d7114c2a7cbb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.306947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061282/manifest.json
observed bf82ae24544bf7b47cda4331e5237337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.289623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061282/publication.md
observed 16cd9b5e20e4b319f075a905e333d6f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.269615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061282/publication.txt
observed 9dafc1062ebad969f26230808cb46c68...
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.