Pith Number

pith:NC4D3RYB

pith:2012:NC4D3RYBBOQWXGGNFGCD5GRQXV

not attested not anchored not stored refs pending

Bose-Einstein Condensation of Excitons in Cu$_2$O: Progress Over Thirty Years

David Snoke, G. M. Kavoulakis

arxiv:1212.4705 v2 · 2012-12-19 · cond-mat.quant-gas · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC4D3RYBBOQWXGGNFGCD5GRQXV}

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	2026-05-18T01:52:30.435215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b83dc7010ba16b98cd29843e9a30bd52274e0854dc5cf7a449c2b8a07d869e

Aliases

arxiv: 1212.4705 · arxiv_version: 1212.4705v2 · doi: 10.48550/arxiv.1212.4705 · pith_short_12: NC4D3RYBBOQW · pith_short_16: NC4D3RYBBOQWXGGN · pith_short_8: NC4D3RYB

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/NC4D3RYBBOQWXGGNFGCD5GRQXV \
  | 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: 68b83dc7010ba16b98cd29843e9a30bd52274e0854dc5cf7a449c2b8a07d869e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e5052eaf5ce9947ba58fe5fd95440c7aa34188d4bc9b67409f21ca285ee7c6",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-12-19T15:35:45Z",
    "title_canon_sha256": "744b71314418f9a3567c371da97c5ff141ea05748f796f6ed12531b7314b0715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4705",
    "kind": "arxiv",
    "version": 2
  }
}