OpenTechnical

OT-2026-000056820

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000056820) never changes.

Identity and time

Publication numberOT-2026-000056820 · never reused
Internal UUID01a0ae87-7af8-743d-94fb-8e46263378d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056820
StatusPUBLIC

Content hashes

Canonical text04c4dddb82f1399cc5e556081a54c33a7d1e6e11c6faa3564ad02298cc16c06c
Markdownc76882ac2ad091ef8ab670b8f899d808ef1d629533e3023d12205c7fff9bc3ea
PDF
Publication pagebabf86af379a0c292da81f2c63d0067e89131ecec551ba9fac484f4df1b27710
Manifest7fee6bb826cbafc62a28f158f260ba9e5bbbf9425aaa69b1295e94fc89677148

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
SignatureMDTYVF0ixilVSyco7MdQ1+/xJRRQrkhf6LmyQe0ff8bXLXki1wY4O9sihrE4hMSZoOxCF81cd9ap1zUDyBH4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.660757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056820
observed babf86af379a0c292da81f2c63d0067e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.641206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056820/manifest.json
observed 7fee6bb826cbafc62a28f158f260ba9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.622882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056820/publication.md
observed c76882ac2ad091ef8ab670b8f899d808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.602069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056820/publication.txt
observed 04c4dddb82f1399cc5e556081a54c33a...
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.