Pith Number

pith:EFO4VBLH

pith:2004:EFO4VBLHUQ33HM6GLUJERITBHQ

not attested not anchored not stored refs pending

Cosmological constant and vacuum energy

G.E. Volovik

arxiv:gr-qc/0405012 v3 · 2004-05-03 · gr-qc · cond-mat.stat-mech · hep-ph · quant-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{EFO4VBLHUQ33HM6GLUJERITBHQ}

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	2026-07-04T14:49:46.553617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215dca8567a437b3b3c65d1248a2613c12d4fc683f1ec4ea8a6d9be088ac9b86

Aliases

arxiv: gr-qc/0405012 · arxiv_version: gr-qc/0405012v3 · doi: 10.48550/arxiv.gr-qc/0405012 · pith_short_12: EFO4VBLHUQ33 · pith_short_16: EFO4VBLHUQ33HM6G · pith_short_8: EFO4VBLH

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/EFO4VBLHUQ33HM6GLUJERITBHQ \
  | 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: 215dca8567a437b3b3c65d1248a2613c12d4fc683f1ec4ea8a6d9be088ac9b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a1b2f17a8fc69ba280973d8eee3007605c34e875ec8e78f6aa8669bab0427e",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "hep-ph",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-05-03T08:01:45Z",
    "title_canon_sha256": "d612d31198d5a79ef5df523921db63f684c0b4b4f41b3072b3301165266d1b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0405012",
    "kind": "arxiv",
    "version": 3
  }
}