OpenTechnical

OT-2026-000005086

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, sustained blow off 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-2026-000005086) never changes.

Identity and time

Publication numberOT-2026-000005086 · never reused
Internal UUID01a0a92d-6961-7a8a-b4aa-1d56777e8ff0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:20.739762Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005086
StatusPUBLIC

Content hashes

Canonical textfd4cf09575881398d91bfd3a131db5bfec39a5f1bc5aee4dec30091fc1a207ef
Markdown3204293729e206753c577bf87804d03ad82e3c3687d2fc2fa50b46c2166144e7
PDF
Publication page3f60501c0f82648d39b8a22cf4f3faa5baeb51e07750af226e9cec75957e0e66
Manifest7d1748b527c9c7fab8eec0e2c8e6641b0938b3a810b04fc0c99477405042f3a2

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
SignatureqyhwG9XA4Fimoh+K7n40TN0NhJNwRILZXVC3Yu4n/QgKZlCHDwy5PdjNj9pZqV57cqdOuY9VRw1MQRORCK0AAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:16.982023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005086
observed 3f60501c0f82648d39b8a22cf4f3faa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.971082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005086/manifest.json
observed 7d1748b527c9c7fab8eec0e2c8e6641b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.959440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005086/publication.md
observed 3204293729e206753c577bf87804d03a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:16.946591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005086/publication.txt
observed fd4cf09575881398d91bfd3a131db5bf...
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.