OpenTechnical

OT-2026-000017935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017935) never changes.

Identity and time

Publication numberOT-2026-000017935 · never reused
Internal UUID01a0ae6e-96fc-7413-bb91-85047fc84014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017935
StatusPUBLIC

Content hashes

Canonical textaf9ead9f98ce1ab8ecc812bf7357ce284e94ff23e2310e34d35e7a4058ff68b3
Markdown17185c59e2784a52ac259b9b115738f702840341e1ca9d66d4735763e64104e2
PDF
Publication pageeec0b8b52a5d201f722e5efa981c6b794cfa1be5ace387c262432ddb24d4257a
Manifestdb7cc008f7382597e079bad6ee481825d145a817d84ba68bf3f3cd51b45526fb

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
SignaturewSPcMUKzSvJUzjjazqbW/2tlT/a69EwFt9kHPxgWUgoiLsJbe0ZynFinoO30UdjBavMTSVeLi4OMW9w+PfUJAA==
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

2026-09-17T12:01:55.893633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017935
observed eec0b8b52a5d201f722e5efa981c6b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.876501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017935/manifest.json
observed db7cc008f7382597e079bad6ee481825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.859134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017935/publication.md
observed 17185c59e2784a52ac259b9b115738f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.840464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017935/publication.txt
observed af9ead9f98ce1ab8ecc812bf7357ce28...
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.