OpenTechnical

OT-2026-000019304

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold 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-2026-000019304) never changes.

Identity and time

Publication numberOT-2026-000019304 · never reused
Internal UUID01a0ae6e-f392-7d44-9469-ccfd3d5cf057 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019304
StatusPUBLIC

Content hashes

Canonical textcd5606fb0cf1cee1a8a4da2299d1548f681c056dd8b168311ca0f11fe5da496e
Markdown383bf1417555dfd19b3f1f9ae6e9f32f174768613e771fca1b3eebea31577798
PDF
Publication page6f3b08f4b967202f7714aeedf17859500de744cbe6eaede2e851b998bf058d69
Manifest2f4596a758280842fc263d7dc3ac3e5ea3fdd5a1ea358a54a84929359d6427a0

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
Signatureq/pSTilhjzFJKkYLtC1LD8aWzjhTq9JRAiezBVr9FsjLtHAlVgRh1wHRPL2nTvsY2yWaxJi0CXdj5dm62MqgCw==
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

2026-09-17T11:58:39.797527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019304
observed 6f3b08f4b967202f7714aeedf1785950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.777078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019304/manifest.json
observed 2f4596a758280842fc263d7dc3ac3e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.758127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019304/publication.md
observed 383bf1417555dfd19b3f1f9ae6e9f32f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:39.739607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019304/publication.txt
observed cd5606fb0cf1cee1a8a4da2299d1548f...
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.