OpenTechnical

OT-2026-000061164

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000061164) never changes.

Identity and time

Publication numberOT-2026-000061164 · never reused
Internal UUID01a0ae8b-137f-7e42-8410-e211b85de4b3 · 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-2026-000061164
StatusPUBLIC

Content hashes

Canonical textcf6398d56d7e5fd6bab0265067833aafc32cedb07e5c43197bee45fdb4241f1e
Markdown4bf11fbc2ebe55671170ab09a90934c02a2761f6052e0db40a6edde19216d62c
PDF
Publication pagea9d0bb666df52ecf381fce1f7821b3604310543df91d8f672213c89563f0bd80
Manifest6b3e6a3f255a089e82c7af81636da1423d9fa560f5e08034127658828a669308

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
Signaturef6RlvuDm6RggIqS8ByI0tQ1auX4QYvCN8SliQVxcpqt+SygySVUsHB4vzmAlY2Wccvp+5903sueopJIurYgOCA==
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

2026-09-17T10:42:33.094814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061164
observed a9d0bb666df52ecf381fce1f7821b360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.077653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061164/manifest.json
observed 6b3e6a3f255a089e82c7af81636da142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.060836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061164/publication.md
observed 4bf11fbc2ebe55671170ab09a90934c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:33.041223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061164/publication.txt
observed cf6398d56d7e5fd6bab0265067833aaf...
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.