OpenTechnical

OT-2026-000038683

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000038683) never changes.

Identity and time

Publication numberOT-2026-000038683 · never reused
Internal UUID01a0ae78-769e-7971-b852-22e9d0df233f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038683
StatusPUBLIC

Content hashes

Canonical texta10856e6f3b8494172923128b9b80a1fa271d46f20e18808d41792ee621da42b
Markdown09bf03640a692696556c85a1c81a2586379844b899b0e8e0cd8252c226832eaa
PDF
Publication pagecb9dc63be7caa4333bb129e1f36d62eab3bbc3f084eed0e4bd07d04954bbf96b
Manifest8d7ca47efc9da144680ecdd8c5b71f0414f425223513b17b5cc32154dcad2d07

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
SignatureUZKFhCz5aojMxB8O+rJV+1tICpcuIE8bLp1YAZnvFB/546wdI+R3gM0MML7bplDBclFqbTczIYa3SoUTCzRSCA==
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

2026-09-17T11:21:11.693405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038683
observed cb9dc63be7caa4333bb129e1f36d62ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.673991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038683/manifest.json
observed 8d7ca47efc9da144680ecdd8c5b71f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.653516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038683/publication.md
observed 09bf03640a692696556c85a1c81a2586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.633421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038683/publication.txt
observed a10856e6f3b8494172923128b9b80a1f...
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.