OpenTechnical

OT-2026-000005462

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed, 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-2026-000005462) never changes.

Identity and time

Publication numberOT-2026-000005462 · never reused
Internal UUID01a0a939-c6fb-71d0-a637-fb75efba4fe4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:51.133382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005462
StatusPUBLIC

Content hashes

Canonical textcf03f308f1b477a208a99861a2f7410f77e3769f1cfcf1963f6628ef9ceb2338
Markdown8dad9e0aeff5381377ce02f9aba8678e1244c30ef10168b19716af6b49c6631e
PDF
Publication page143779fde6b007135bf424fd035dc79e25c62557a9c12db8ce1d4ebf302810e7
Manifestca46f8fdd6c83eaaefa9650fe8381032ba9de2d5d7859656810b8785e76ad169

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
SignatureVWyITfV/+3qnApyTiFMgBMwhHG9y4fWIPTJ4IVmTee6MXoPo6inQFA+c4dJEUHfiLQaJd6A4d2HZmnMg+Zu4Bg==
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

2026-09-16T08:00:06.703419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005462
observed 143779fde6b007135bf424fd035dc79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.690798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005462/manifest.json
observed ca46f8fdd6c83eaaefa9650fe8381032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.676508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005462/publication.md
observed 8dad9e0aeff5381377ce02f9aba8678e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:06.661371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005462/publication.txt
observed cf03f308f1b477a208a99861a2f7410f...
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.