OpenTechnical

OT-2026-000005471

Publication integrity record

Bellows cup vacuum gripper, four outlet manifold, three stage ejector, contact triggered, plastic 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-2026-000005471) never changes.

Identity and time

Publication numberOT-2026-000005471 · never reused
Internal UUID01a0a93a-0e7e-732e-b9ae-1fa44d7db4f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:09.441056Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005471
StatusPUBLIC

Content hashes

Canonical text0ce6ec7a1d6d712f00b34ac4811008e273f911852cf9f3ffb1b7619aaa08608c
Markdownad86305bcb0cf02c1acceb09ba8641e86bb0c665432e21bbdb8b98d78f83a92f
PDF
Publication page756900ea32856b6bfe0646440d40797eb8629677bcfb3bc25affc9cdb0887fbc
Manifest6873e07f513c6a9426be01426f158846a285cbaf61909b9339732cb490183433

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
SignaturetNiM9PZsu4r2Nd5HcNSDUhAd7nMfR9qDlHjUgZ0urHtV3NlK0jCTPhxHtjsqqXksVjqz1yWHeYy74Jw7Y6SVBg==
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

2026-09-16T08:00:05.454816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005471
observed 756900ea32856b6bfe0646440d40797e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.441011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005471/manifest.json
observed 6873e07f513c6a9426be01426f158846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.426336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005471/publication.md
observed ad86305bcb0cf02c1acceb09ba8641e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.413588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005471/publication.txt
observed 0ce6ec7a1d6d712f00b34ac4811008e2...
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.