Pith Number

pith:4JENSA5X

pith:2009:4JENSA5XGA6KYXETB2ZZZJDIXI

not attested not anchored not stored refs pending

A note on the analogy between superfluids and cosmology

A. Naddeo, G. Scelza

arxiv:0910.0790 v2 · 2009-10-05 · 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{4JENSA5XGA6KYXETB2ZZZJDIXI}

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	2026-05-18T03:36:25.450636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e248d903b7303cac5c930eb39ca468ba2a0d1486537abe4c2a323455c605fc4b

Aliases

arxiv: 0910.0790 · arxiv_version: 0910.0790v2 · doi: 10.48550/arxiv.0910.0790 · pith_short_12: 4JENSA5XGA6K · pith_short_16: 4JENSA5XGA6KYXET · pith_short_8: 4JENSA5X

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/4JENSA5XGA6KYXETB2ZZZJDIXI \
  | 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: e248d903b7303cac5c930eb39ca468ba2a0d1486537abe4c2a323455c605fc4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d18d13f91087b5dfe3c252e840337df0d04094aba2afa829b059f523140e56f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-10-05T15:41:39Z",
    "title_canon_sha256": "4885cc951154182931ac6d17d0ce6fe424ebb5f283bf96a6e72ad7c2e8ab7f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0790",
    "kind": "arxiv",
    "version": 2
  }
}