OpenTechnical

OT-2026-000009450

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000009450) never changes.

Identity and time

Publication numberOT-2026-000009450 · never reused
Internal UUID01a0ae6b-7562-724b-afe4-0f9ad3670a09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009450
StatusPUBLIC

Content hashes

Canonical textb159937e6ce54a0e78bbf205cca7f9abc15a41c180103d865e1f9b8d7256922d
Markdown6f0ba75259c42fdd6f1983c7a17330cf39cff0bbcf7e3c87eb24841d6971c1d2
PDF
Publication pagea5528533884c5903d010d850693c974306f78199d0f5044ac5e0ea99adb2ce0d
Manifest0646cb74025df076e998326476920a2c96443abf6a9684d90479f931943d3dcc

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
SignaturezKi0EHWHfX/Gn7kjU6nA5ROU0/wl/Y3j7i3Td66/XbLbzgzhzpgYY0aaXdEZa+J0ZpA7TvjKHu7GntGWB1A3DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:49.986408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009450
observed a5528533884c5903d010d850693c9743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:49.967933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009450/manifest.json
observed 0646cb74025df076e998326476920a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:49.949760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009450/publication.md
observed 6f0ba75259c42fdd6f1983c7a17330cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:49.929923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009450/publication.txt
observed b159937e6ce54a0e78bbf205cca7f9ab...
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.