OpenTechnical

OT-2026-000043380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000043380) never changes.

Identity and time

Publication numberOT-2026-000043380 · never reused
Internal UUID01a0ae7b-327e-72a9-83e7-4547a6e14174 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043380
StatusPUBLIC

Content hashes

Canonical text8f3c426591b6e73715549b3f6761d8055e6a6ed317c139b7dc99c6c77018a37e
Markdown73bfb1acd202a2444e9da0c9d73ea1738fddb8aa7eb17b6c5b36402ce2da1b68
PDF
Publication page22e326290af4c76e1387b8c6e6f821f61f0eabc488bd180eecc53e1a1aad37b8
Manifest243db1e5ecf5a7e7b5f37d188be4562611d9b752e9bcc238222517497a6e83b9

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
SignatureDvSm5JJQGQ583YP8I1/ou/l/ky51twWRaQE8S54Ez0vPLilg5bgwtk/rKX3GRbOmLq688bAAV38zM+3W/WEdCg==
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

2026-09-17T11:13:54.544334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043380
observed 22e326290af4c76e1387b8c6e6f821f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.525693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043380/manifest.json
observed 243db1e5ecf5a7e7b5f37d188be45626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.508111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043380/publication.md
observed 73bfb1acd202a2444e9da0c9d73ea173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:54.488613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043380/publication.txt
observed 8f3c426591b6e73715549b3f6761d805...
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.