OpenTechnical

OT-2026-000022550

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off before 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-2026-000022550) never changes.

Identity and time

Publication numberOT-2026-000022550 · never reused
Internal UUID01a0ae6f-f4ff-757a-af92-321eeef655f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022550
StatusPUBLIC

Content hashes

Canonical text9dd8ce828e38eb5ee23586ed0896ad507fe8a8105f8fedf01a670b9e557f9698
Markdown53c0e37163da7c4cabafe24c486294309632cd0d408fd60718ed6bcc45e33eaa
PDF
Publication paged3d405df03cf85f54fb64d526de3503b5dcca4c963cc348286ddd7a4673994b6
Manifest2ada1db4b7ef1765ec82a5c60d9484d0915f8351b6502884f39d5016aa589cb8

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
SignaturewR3fxoQAr9cWpEStm88KwBC+8GD/NGQxTW2d3PGAETDxTRZtQOmZIqtJIkLG96ZZ+7gttIFA7L88Q3YbZXbiDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:59.203923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022550
observed d3d405df03cf85f54fb64d526de3503b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.187202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022550/manifest.json
observed 2ada1db4b7ef1765ec82a5c60d9484d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.171677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022550/publication.md
observed 53c0e37163da7c4cabafe24c48629430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.154988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022550/publication.txt
observed 9dd8ce828e38eb5ee23586ed0896ad50...
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.