Pith Number

pith:W5MG664S

pith:2012:W5MG664SJ6I3JNTTI6B4DM5SHM

not attested not anchored not stored refs pending

Speed of sound in a Bose-Einstein condensate

Abel Camacho

arxiv:1205.4774 v1 · 2012-05-21 · 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{W5MG664SJ6I3JNTTI6B4DM5SHM}

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	2026-05-18T03:55:11.683394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7586f7b924f91b4b6734783c1b3b23b10c48671e04c1f440a37614c5c53c6e5

Aliases

arxiv: 1205.4774 · arxiv_version: 1205.4774v1 · doi: 10.48550/arxiv.1205.4774 · pith_short_12: W5MG664SJ6I3 · pith_short_16: W5MG664SJ6I3JNTT · pith_short_8: W5MG664S

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/W5MG664SJ6I3JNTTI6B4DM5SHM \
  | 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: b7586f7b924f91b4b6734783c1b3b23b10c48671e04c1f440a37614c5c53c6e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b79f539ffb73fbf1454c5faff8917edd0f197d21dd0579da972f7072b8820610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2012-05-21T23:56:07Z",
    "title_canon_sha256": "5dbdc4a072b9b2da0376e9e487d51a80f0879dcab902db97db2bca1f381fc02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4774",
    "kind": "arxiv",
    "version": 1
  }
}