Pith Number

pith:56CK22GV

pith:2001:56CK22GVCHCFUGM67RIIMTBSDF

not attested not anchored not stored refs pending

Positronium-positronium interaction: Resonance, scattering length, and Bose-Einstein condensation

Sadhan K. Adhikari

arxiv:cond-mat/0108250 v2 · 2001-08-15 · cond-mat.soft · physics.atom-ph · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{56CK22GVCHCFUGM67RIIMTBSDF}

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	2026-05-18T01:07:02.454199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef84ad68d511c45a199efc50864c32197b7c9807f4cecfaad93f0f241d51453e

Aliases

arxiv: cond-mat/0108250 · arxiv_version: cond-mat/0108250v2 · doi: 10.48550/arxiv.cond-mat/0108250 · pith_short_12: 56CK22GVCHCF · pith_short_16: 56CK22GVCHCFUGM6 · pith_short_8: 56CK22GV

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/56CK22GVCHCFUGM67RIIMTBSDF \
  | 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: ef84ad68d511c45a199efc50864c32197b7c9807f4cecfaad93f0f241d51453e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fca60e3470485b4ab8c37f64e92da112209d182d513f60d8d3b13ff3cc1ebb87",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2001-08-15T16:20:25Z",
    "title_canon_sha256": "ebe87b703df93b6655c10a7032375865efd03e7799116e9b209a6ed544ecd13d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0108250",
    "kind": "arxiv",
    "version": 2
  }
}