pith. sign in
Pith Number

pith:EFEFE2X5

pith:2014:EFEFE2X5TKINE7IT2TGHB6LG25
not attested not anchored not stored refs pending

The quantum vacuum

G. S. Paraoanu

arxiv:1402.1087 v2 · 2014-02-05 · quant-ph · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EFEFE2X5TKINE7IT2TGHB6LG25}

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 2026-05-18T01:24:30.795995Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2148526afd9a90d27d13d4cc70f966d76402c1d5ef2b745916984e8e2682e63a

Aliases

arxiv: 1402.1087 · arxiv_version: 1402.1087v2 · doi: 10.48550/arxiv.1402.1087 · pith_short_12: EFEFE2X5TKIN · pith_short_16: EFEFE2X5TKINE7IT · pith_short_8: EFEFE2X5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EFEFE2X5TKINE7IT2TGHB6LG25 \
  | 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: 2148526afd9a90d27d13d4cc70f966d76402c1d5ef2b745916984e8e2682e63a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4d4bf42b29bc5492efc15ca87b5dca56695d69b47c50a251bb4c4de312053030",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-05T16:55:58Z",
    "title_canon_sha256": "d1bda3edfd36413740d885c3dca80bc8893df22d2a1eddab369bc26685df9438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1087",
    "kind": "arxiv",
    "version": 2
  }
}