OpenTechnical

OT-2026-000033115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000033115) never changes.

Identity and time

Publication numberOT-2026-000033115 · never reused
Internal UUID01a0ae75-4844-7db8-a6e6-e1f0248123e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033115
StatusPUBLIC

Content hashes

Canonical textcbdf7382d9f2496e8cb5e7ecd926c60de5ccbf908251bf7b3d834090598052da
Markdown55c3a7b59d195e683395f9cc3e4ba2d58ecf2715bf7736a6c1483aa292ffd138
PDF
Publication page675af6e771013d2343526a72f15327b33244badb96fda24751849bf7f648ecfe
Manifestaf1925017d7390ecbdf22ac94ef6f56780905da35ff0646800e880852939e2a5

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
Signaturewneeg1ixwDermDXyMrKL1atf03VOUJzVWO+/y1V8LThiJJ6Rf1J3HoJ9T3bmuYEEzFcJVlLHJkLLKkBjNsakCw==
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

2026-09-17T11:32:47.193587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033115
observed 675af6e771013d2343526a72f15327b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.168312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033115/manifest.json
observed af1925017d7390ecbdf22ac94ef6f567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:47.123798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033115/publication.md
observed 55c3a7b59d195e683395f9cc3e4ba2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:46.263116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033115/publication.txt
observed cbdf7382d9f2496e8cb5e7ecd926c60d...
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.