OpenTechnical

OT-2026-000069847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000069847) never changes.

Identity and time

Publication numberOT-2026-000069847 · never reused
Internal UUID01a0ae91-1860-71a7-a423-1fd43f15242c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069847
StatusPUBLIC

Content hashes

Canonical text6c9d90c4ff982cb1b2cdf9b1e393f44bdd40506778e005813d1ae427adab2132
Markdownd03c2144f97b23539adfcd7a897df666b245c725d325a3b98b33172ac3e1b73a
PDF
Publication pagee126c83f4d10c3bee8b5eee5b1f5f445c7b96f2ac1e36e73c512d95594b963a7
Manifest3b903c7d96a76823d2dcc25c8cc9b5c2b6e566b60b638260a3450d6d098c4fe9

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
Signaturee26SC4x89cufq19G83/SSQSLJwQQUTKhgQ72pK7foZt1kd3AYfBh7CDeGc8RTiD5d7tDzOhJwJJ5G4tACvKYBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:40.778674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069847
observed e126c83f4d10c3bee8b5eee5b1f5f445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.763122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069847/manifest.json
observed 3b903c7d96a76823d2dcc25c8cc9b5c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.746324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069847/publication.md
observed d03c2144f97b23539adfcd7a897df666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.728907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069847/publication.txt
observed 6c9d90c4ff982cb1b2cdf9b1e393f44b...
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.