OpenTechnical

OT-2026-000005331

Publication integrity record

Vacuum cup gripper, three outlet manifold, pump fed, contact triggered

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-2026-000005331) never changes.

Identity and time

Publication numberOT-2026-000005331 · never reused
Internal UUID01a0a935-af21-71b8-9525-52d319ab3030 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:22.884125Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005331
StatusPUBLIC

Content hashes

Canonical text6308a895729a5d61805ff000b0439af89f538d2cc4afc7d3ba38cba83ea09ec1
Markdown1b325e0d8c3fd31f50489c5e02e64753a7ee4c0d9d4e1aaa112af2bad3079fa1
PDF
Publication pagebb63c59780fb9b1886ac8c4ec6aa917ec5b2dc0cd10994b6b5e07098b9bd2dee
Manifest2822938a4f4cae51534fb6ba52a6d5b927d26acb8e35589c0f2e908987c7c723

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
SignatureVtM2X6HeSSIW7IFmfHJOAdnf178Ml9yr4FJ8G0DMQOEII8kAn8qzODsdhhoPT+f30CJYoPqhYoW8LozQaJP5Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:21.721949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005331
observed bb63c59780fb9b1886ac8c4ec6aa917e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.708281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005331/manifest.json
observed 2822938a4f4cae51534fb6ba52a6d5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.694056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005331/publication.md
observed 1b325e0d8c3fd31f50489c5e02e64753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:21.679092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005331/publication.txt
observed 6308a895729a5d61805ff000b0439af8...
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.