OpenTechnical

OT-2026-000027441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027441) never changes.

Identity and time

Publication numberOT-2026-000027441 · never reused
Internal UUID01a0ae72-6998-7aee-a5b9-b2a403f4281d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027441
StatusPUBLIC

Content hashes

Canonical text33e5bad7ad137013f4278a76507253b1d8fb85375a560fa9e03c353ff7c94f07
Markdown11a6800a488a4c199d1673cb01caaf7b3beacc03fe62b0dc310d6ed1a3707e84
PDF
Publication page40503960c810c23c18be767b13b8deadf7f0341f05c4550435f311b2f73cef29
Manifest364d5520cc36cebf9f1a713022823da923823997fcd44fb24dd76ac07265d087

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
SignaturekaYAp9zXEZ7dyQTE5n3m27FlfOkbbbABUdiKeaM51TvXnI5wE9Gu/lWyJsChp7cxOSTez1xJwJWzh30tQV5NDw==
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

2026-09-17T11:42:53.625999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027441
observed 40503960c810c23c18be767b13b8dead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.607583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027441/manifest.json
observed 364d5520cc36cebf9f1a713022823da9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.586016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027441/publication.md
observed 11a6800a488a4c199d1673cb01caaf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:53.567284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027441/publication.txt
observed 33e5bad7ad137013f4278a76507253b1...
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.