Pith Number

pith:JFXFNI7D

pith:2005:JFXFNI7DKYLIS2LYPBX772M27I

not attested not anchored not stored refs pending

Emergent physics on vacuum energy and cosmological constant

G.E. Volovik

arxiv:cond-mat/0507454 v5 · 2005-07-19 · cond-mat.str-el · cond-mat.stat-mech · gr-qc · hep-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{JFXFNI7DKYLIS2LYPBX772M27I}

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	2026-07-04T16:54:16.715085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496e56a3e35616896978786fffe99afa1d887e0c965b1904e519f6ce5fbb3c76

Aliases

arxiv: cond-mat/0507454 · arxiv_version: cond-mat/0507454v5 · doi: 10.48550/arxiv.cond-mat/0507454 · pith_short_12: JFXFNI7DKYLI · pith_short_16: JFXFNI7DKYLIS2LY · pith_short_8: JFXFNI7D

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/JFXFNI7DKYLIS2LYPBX772M27I \
  | 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: 496e56a3e35616896978786fffe99afa1d887e0c965b1904e519f6ce5fbb3c76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d258f452398d4bb05f19a0667a67e189e5ee8b37b4190ce22b4f98b3148932c",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "gr-qc",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2005-07-19T16:22:07Z",
    "title_canon_sha256": "21946f768c20662bb882fdfac830909e735c9588f439b9f66f9912abd3c4601a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0507454",
    "kind": "arxiv",
    "version": 5
  }
}