Pith Number

pith:ICHZXZLY

pith:2009:ICHZXZLYJJLJU3PAVVMY6VNN4U

not attested not anchored not stored refs pending

Two-dimensional supersonic nonlinear Schr\"odinger flow past an extended obstacle

A. Gammal, A.M. Kamchatnov, E.S. Annibale, G.A. El, V.V. Khodorovskii

arxiv:0906.2394 v2 · 2009-06-12 · nlin.PS · cond-mat.other · nlin.SI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICHZXZLYJJLJU3PAVVMY6VNN4U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:23:59.482061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

408f9be5784a569a6de0ad598f55ade516234f42d98e1fdd069e04ff41cfcccd

Aliases

arxiv: 0906.2394 · arxiv_version: 0906.2394v2 · doi: 10.48550/arxiv.0906.2394 · pith_short_12: ICHZXZLYJJLJ · pith_short_16: ICHZXZLYJJLJU3PA · pith_short_8: ICHZXZLY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ICHZXZLYJJLJU3PAVVMY6VNN4U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 408f9be5784a569a6de0ad598f55ade516234f42d98e1fdd069e04ff41cfcccd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb178720b97247f946a0941fb8e34ea5162a8f55ed6a92728913ad6c4faac1b1",
    "cross_cats_sorted": [
      "cond-mat.other",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2009-06-12T19:58:12Z",
    "title_canon_sha256": "f0597ec49c553509a59365af77e11d0e60d39972791bd1cef1a9a40e38eceec3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2394",
    "kind": "arxiv",
    "version": 2
  }
}