OpenTechnical

OT-2026-000006252

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, vented before set down, polyurethane cups

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-2026-000006252) never changes.

Identity and time

Publication numberOT-2026-000006252 · never reused
Internal UUID01a0a954-7802-7b65-85ef-b2dfcbedf264 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:00.388838Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006252
StatusPUBLIC

Content hashes

Canonical text2b2eb1809a9d083b73c58055510d204ef8dd51db04eebee9212b15d9f5fa8782
Markdownfde0008ec129391bed5bc168c9933da871e07e54180d722d21eab876bb7e10c7
PDF
Publication page2db8601ede6fc2e0ed0235a41a3f0f8406d9e5821de2fcea6ef88740dffcef84
Manifest6ffe448015d3f88c5d967980878feffa12fa5313b7b79b0cae78f65c0887e817

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
Signatureutj0sU+DShkusjvTvZUvPa8OCAViX/a+8Zkr+PnPUyGt+Oi8u+A9KQKJWkymjP1DCivmTzR7sU9ZcZDASvnTAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:09.740656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006252
observed 2db8601ede6fc2e0ed0235a41a3f0f84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.726574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006252/manifest.json
observed 6ffe448015d3f88c5d967980878feffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.710251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006252/publication.md
observed fde0008ec129391bed5bc168c9933da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:09.695936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006252/publication.txt
observed 2b2eb1809a9d083b73c58055510d204e...
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.