Pith Number

pith:SIKBCGOI

pith:2012:SIKBCGOI2ELRKTDUWUUULR5RVT

not attested not anchored not stored refs pending

Two interacting fermions in a 1D harmonic trap: matching the Bethe ansatz and variational approaches

A. Foerster, D. Rubeni, I. Roditi

arxiv:1208.2206 v1 · 2012-08-10 · 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{SIKBCGOI2ELRKTDUWUUULR5RVT}

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	2026-05-18T03:41:31.962485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92141119c8d117154c74b52945c7b1acf03ae2a97da59c64f25b113ac410b7cb

Aliases

arxiv: 1208.2206 · arxiv_version: 1208.2206v1 · doi: 10.48550/arxiv.1208.2206 · pith_short_12: SIKBCGOI2ELR · pith_short_16: SIKBCGOI2ELRKTDU · pith_short_8: SIKBCGOI

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/SIKBCGOI2ELRKTDUWUUULR5RVT \
  | 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: 92141119c8d117154c74b52945c7b1acf03ae2a97da59c64f25b113ac410b7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7500a47e0fd6dfd34abf23fea7af2838ee05259390a3c5202495e5462a23320c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-08-10T15:50:50Z",
    "title_canon_sha256": "2db898d5d09de3e32c26a6c7224fa08a5c158c31c7e098a9e500457a707cf128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2206",
    "kind": "arxiv",
    "version": 1
  }
}