OpenTechnical

OT-2026-000005886

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pressure verified, 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-2026-000005886) never changes.

Identity and time

Publication numberOT-2026-000005886 · never reused
Internal UUID01a0a948-22c2-7448-832b-0154389a62ea · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:14:32.133545Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005886
StatusPUBLIC

Content hashes

Canonical text2220282fa798fda3664a773a7c3f8fe0d9a40be5d297071fbbe6b22aee467622
Markdown9180b06223ed4d2223074d14c4b50c1bd0895a452bb41bed0c53ad6289bde3ca
PDF
Publication pagea8aae04ce4094404c2a98874e6d3d903f965d5e3459f464e43922d35c1f6ca2b
Manifest4a6c290071c1ec5b0d5a198ed493d7d99e2612290138988d8e91364fc1a90ec5

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
Signatureb355Ssc4mC/qi/VfzK1SQO0wCPf1ZS0Ef8OXDRCYC+BMs+T4aI+KRPhs1+Wf80f05KWo3zNyPPzuc7txQOajBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:21.482717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005886
observed a8aae04ce4094404c2a98874e6d3d903...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.466202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005886/manifest.json
observed 4a6c290071c1ec5b0d5a198ed493d7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.446590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005886/publication.md
observed 9180b06223ed4d2223074d14c4b50c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:21.428638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005886/publication.txt
observed 2220282fa798fda3664a773a7c3f8fe0...
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.