OpenTechnical

OT-2026-000033633

Publication integrity record

Six cup vacuum gripper, 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-2026-000033633) never changes.

Identity and time

Publication numberOT-2026-000033633 · never reused
Internal UUID01a0ae75-a38f-7211-b33a-2dce0ad3d5cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033633
StatusPUBLIC

Content hashes

Canonical text1641e050b81fd8f134329c159fe7a74e261969dfb7f9f3a7e25349fcaf53f02b
Markdown7628cebb4e5ad171fb3f7aa7335fee0d3895fcef8b18d1c071ef10b62144acae
PDF
Publication pagef8098ac9691bf59ac78723c9cf01fbac99fec81ac473aa1b52c0716997af8f2a
Manifest31053c229d275f8490927428c4f3280eb1b1c6b6a5c9297b4812d88cae79d87d

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
SignatureQCpvyuCotpcYkZvXBI/sn+NAuhhXaPOiHJYYZKMKDlFRIzJKS8wGCM7EaSmh6ogkU6GoRWutPWbwEK99KjdQDQ==
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

2026-09-17T11:31:36.801947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033633
observed f8098ac9691bf59ac78723c9cf01fbac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.785483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033633/manifest.json
observed 31053c229d275f8490927428c4f3280e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.765437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033633/publication.md
observed 7628cebb4e5ad171fb3f7aa7335fee0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:36.747717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033633/publication.txt
observed 1641e050b81fd8f134329c159fe7a74e...
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.