OpenTechnical

OT-2026-000103168

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000103168) never changes.

Identity and time

Publication numberOT-2026-000103168 · never reused
Internal UUID01a0aea4-be3e-7c83-bb18-7653dabb2685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103168
StatusPUBLIC

Content hashes

Canonical texta2307d7458197cfe4aad51c8e13f0ada0a696dc72f82d6078541d7366f9de16d
Markdowna93e3b36d994dd0e0e0443ef18406b36373e84b26f5bb223a421a7062d8fc2eb
PDF
Publication pagede01c08ead780da2e535191188a9f473614df9686276cd3d3de70d9965636ee8
Manifest4ae1a0554af11f5d796fdfcddb9c8afccf8dd9b3efe6319a0adf3ed2594a0806

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
Signatured700JrTTGuwhCYawqHivmKnCUVYUQjjKQqJayw2A1bNk9RHNv3cS9Wh5B0B+bxMOrWl82a68dYQxCjAtPAGIDg==
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

2026-09-17T09:23:23.088353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103168
observed de01c08ead780da2e535191188a9f473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.069897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103168/manifest.json
observed 4ae1a0554af11f5d796fdfcddb9c8afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.045584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103168/publication.md
observed a93e3b36d994dd0e0e0443ef18406b36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.024581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103168/publication.txt
observed a2307d7458197cfe4aad51c8e13f0ada...
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.