OpenTechnical

OT-2026-000043177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000043177) never changes.

Identity and time

Publication numberOT-2026-000043177 · never reused
Internal UUID01a0ae7b-327c-7d3b-b173-d1386900486d · 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-2026-000043177
StatusPUBLIC

Content hashes

Canonical text1e7e06486b02f3711fd7aa1ab9fb127d7f6848a77689b7ae456b96d0c5bb5a1f
Markdown715ec42f7c8f5c06d699416cc7f90ddf98292de07a475d5ac06d4367ddd71cde
PDF
Publication pageadf145532e9355fa79d24839c67b2a4f60a748a9a1a5ca09353d9d6904fe7780
Manifesta3572620f6ae1e2b2035e3418eb301e6ae9a49af5f18fcc2a429f56061cb19b2

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
Signature+CyzdgP5MHQlv3PIaBRMjzqsNv4mGOxTa/h2m1kA5bgRyZb611TeOUzUsXv1U8tMktwxsO7sz+fQev3UlxQJAg==
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

2026-09-17T11:13:37.620703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043177
observed adf145532e9355fa79d24839c67b2a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.602285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043177/manifest.json
observed a3572620f6ae1e2b2035e3418eb301e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.580437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043177/publication.md
observed 715ec42f7c8f5c06d699416cc7f90ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:37.560139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043177/publication.txt
observed 1e7e06486b02f3711fd7aa1ab9fb127d...
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.