OpenTechnical

OT-2026-000005269

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three outlet manifold, two stage ejector, 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-2026-000005269) never changes.

Identity and time

Publication numberOT-2026-000005269 · never reused
Internal UUID01a0a933-634a-7abd-b76a-3b59a96c7cae · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:52.396618Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005269
StatusPUBLIC

Content hashes

Canonical text8d1bf5d5712c6f93ece7bc1f81c3454b683314b2d356498f387f63193d4fa69a
Markdowne622528d293afc55970bbc3e0df043a2f3f18002d72be6f60acfea4657a63c89
PDF
Publication pagec8f225e901fb22a2ec519ea682a8caa52ad5a5bae6773ed2cb6e0b5c92a1ccc5
Manifest37e9c5cae6d454bb634c79d021d7e624b80453894521deef78052275114b0c09

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
SignatureiQ0DDNp9LoGgW5hOmUCBx+TvwtVtoQkFQk7OtqJRPUIokzDD1bSu8tIHUwhe8IhEYw9zBMcuK8nIwtQLTiOEAw==
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

2026-09-16T08:00:28.622558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005269
observed c8f225e901fb22a2ec519ea682a8caa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.487107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005269/manifest.json
observed 37e9c5cae6d454bb634c79d021d7e624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.472720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005269/publication.md
observed e622528d293afc55970bbc3e0df043a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:28.459947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005269/publication.txt
observed 8d1bf5d5712c6f93ece7bc1f81c3454b...
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.