Pith Number

pith:ICLS32TR

pith:2009:ICLS32TR3F5C3R6B3WOBDJC3CK

not attested not anchored not stored refs pending

Ground State Energy for Fermions in a 1D Harmonic Trap with Delta Function Interaction

C. N. Yang, Zhong-Qi Ma

arxiv:0909.0305 v1 · 2009-09-02 · cond-mat.quant-gas · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICLS32TR3F5C3R6B3WOBDJC3CK}

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	2026-05-18T02:12:00.979495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40972dea71d97a2dc7c1dd9c11a45b128f8192279948cce847699567c72d9993

Aliases

arxiv: 0909.0305 · arxiv_version: 0909.0305v1 · doi: 10.48550/arxiv.0909.0305 · pith_short_12: ICLS32TR3F5C · pith_short_16: ICLS32TR3F5C3R6B · pith_short_8: ICLS32TR

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/ICLS32TR3F5C3R6B3WOBDJC3CK \
  | 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: 40972dea71d97a2dc7c1dd9c11a45b128f8192279948cce847699567c72d9993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76963953bb75f1e5d31491f0624ebd8e675e7ce68c3298ca16896c380b600f3f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-09-02T01:48:08Z",
    "title_canon_sha256": "0a92996b73d423511682e015be893f03cdaf8db3ac69700a9b450dfb1bdf40ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0305",
    "kind": "arxiv",
    "version": 1
  }
}