OpenTechnical

OT-2026-000068169

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000068169) never changes.

Identity and time

Publication numberOT-2026-000068169 · never reused
Internal UUID01a0ae8f-c4ff-7de4-be32-a5b44eb8ada5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068169
StatusPUBLIC

Content hashes

Canonical text9e4e210b946f38c5878203b19309f3b3a04e20a96d2516ec0823e4a506300631
Markdown9842fa205832023550a447f9ec774088e9a7779fa45513b8022417babeb3c13f
PDF
Publication pagef569ebc2483bcb132f01ae7ba240550c53875e726c279a08732786ea3861fb76
Manifest04ff69109a40ab0b224418b7f554f2494623c95988d6c885c9dee6f9fc54a782

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
SignatureesW8gHWJqIlPVdt3FOZN7zSYhIc5KfrjjSJQE7Fbjaz7EfLRvV6YKPRBcv6cy7B48+rKLNlmhK1y7hUv9JcVAg==
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

2026-09-17T10:30:49.482082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068169
observed f569ebc2483bcb132f01ae7ba240550c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.465259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068169/manifest.json
observed 04ff69109a40ab0b224418b7f554f249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.449044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068169/publication.md
observed 9842fa205832023550a447f9ec774088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:49.430818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068169/publication.txt
observed 9e4e210b946f38c5878203b19309f3b3...
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.