OpenTechnical

OT-2026-000103795

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off after 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-2026-000103795) never changes.

Identity and time

Publication numberOT-2026-000103795 · never reused
Internal UUID01a0aea4-e463-70a4-9b25-f2ff5de1879a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103795
StatusPUBLIC

Content hashes

Canonical text0eceaef65c872c7104e78094e05441795dd7dddb6cea41036126e611ce663929
Markdown02aee00f8b4b7dd26295c506a6d65dfe56f57c5e3651511211d4b6c8f488d533
PDF
Publication page473c5d8a4380371bd00f49fb65af482d2462d6f59414081e58b5de54d1923340
Manifest340ce067053a63a78452ba20e34e642d000d6d2c10c1389f0b312c39eb6d1c59

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
Signaturep1mRWs5ExsAzuj7zaMZtneexZCWO9m58WAkNMTv+yLAUgPcFEj3zgdSphjCrNSJkUI3lRRvOp9VVbqxJfhS5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:44.965838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103795
observed 473c5d8a4380371bd00f49fb65af482d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.949975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103795/manifest.json
observed 340ce067053a63a78452ba20e34e642d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.931723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103795/publication.md
observed 02aee00f8b4b7dd26295c506a6d65dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.916340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103795/publication.txt
observed 0eceaef65c872c7104e78094e0544179...
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.