Pith Number

pith:NMW5UM4A

pith:2013:NMW5UM4ADX5AOHM5ZB7HAFJ5MQ

not attested not anchored not stored refs pending

Is the Free Vacuum Energy Infinite?

H. Razmi, S. M. Shirazi

arxiv:1302.1433 v3 · 2013-02-05 · physics.gen-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{NMW5UM4ADX5AOHM5ZB7HAFJ5MQ}

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	2026-05-18T02:17:12.629632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2dda33801dfa071d9dc87e70153d641ef1a116087306f6f0a7f54c71148184

Aliases

arxiv: 1302.1433 · arxiv_version: 1302.1433v3 · doi: 10.48550/arxiv.1302.1433 · pith_short_12: NMW5UM4ADX5A · pith_short_16: NMW5UM4ADX5AOHM5 · pith_short_8: NMW5UM4A

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/NMW5UM4ADX5AOHM5ZB7HAFJ5MQ \
  | 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: 6b2dda33801dfa071d9dc87e70153d641ef1a116087306f6f0a7f54c71148184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b3721359375acdfece3c4697a674d428c9dc8cb668163d479ef74dbfc1693e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-02-05T19:18:56Z",
    "title_canon_sha256": "df5c247ff553b3ee5f47beeddd9ea2ce92c16941aff574c7c3a703286172539b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.1433",
    "kind": "arxiv",
    "version": 3
  }
}