OpenTechnical

OT-2026-000051018

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000051018) never changes.

Identity and time

Publication numberOT-2026-000051018 · never reused
Internal UUID01a0ae82-c7b4-7409-8330-341a80145677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051018
StatusPUBLIC

Content hashes

Canonical text4af052536b4b53f0d27f6b732b2b9b51aca77feb417cd20584fa96664101a43f
Markdown02eb4301eeab994c086f117251d87d1bdb1adc44171a0deebf112c7e709e8b51
PDF
Publication pagee45436830fd49e8f9fb5bc22d66f0d209070dde94ae1087d29dcba2e2b7e2d03
Manifest3e45b0bddfa20cd520413ea0771eddb19723b52f771a17fa3137c465a9888603

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
SignatureehciAKdQ9NZsyBPZmo6AyO/bPKcyJhgEXSBDr5MMOlNhHvEOdEYhT6r9J4/Jaidm7OeI0iBaSOLRR4xbEsxOAQ==
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

2026-09-17T11:00:55.343456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051018
observed e45436830fd49e8f9fb5bc22d66f0d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.325385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051018/manifest.json
observed 3e45b0bddfa20cd520413ea0771eddb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.308338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051018/publication.md
observed 02eb4301eeab994c086f117251d87d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.287782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051018/publication.txt
observed 4af052536b4b53f0d27f6b732b2b9b51...
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.