Pith Number

pith:OIXGSHDW

pith:2012:OIXGSHDWOC6XHYQM6OZ74SW6CI

not attested not anchored not stored refs pending

Negative Temperature States in the Discrete Nonlinear Schroedinger Equation

A. Politi, G.-L. Oppo, R. Franzosi, R. Livi, S. Iubini

arxiv:1203.4162 v1 · 2012-03-19 · nlin.PS · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIXGSHDWOC6XHYQM6OZ74SW6CI}

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	2026-05-18T01:58:06.116588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

722e691c7670bd73e20cf3b3fe4ade1207a44ec0fd8cbc80f16d2eaee350fbb1

Aliases

arxiv: 1203.4162 · arxiv_version: 1203.4162v1 · doi: 10.48550/arxiv.1203.4162 · pith_short_12: OIXGSHDWOC6X · pith_short_16: OIXGSHDWOC6XHYQM · pith_short_8: OIXGSHDW

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/OIXGSHDWOC6XHYQM6OZ74SW6CI \
  | 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: 722e691c7670bd73e20cf3b3fe4ade1207a44ec0fd8cbc80f16d2eaee350fbb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7e1dced94eb8b67e71971d378d2c4385f496eaff8840245ebc376f6236362f3",
    "cross_cats_sorted": [
      "cond-mat.quant-gas"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2012-03-19T16:53:06Z",
    "title_canon_sha256": "78d7bf4b6caf8dccb86ab67988febe8539bd9fa8bb9295af375c854c47db756e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4162",
    "kind": "arxiv",
    "version": 1
  }
}