Pith Number

pith:WLZYE4FA

pith:2012:WLZYE4FADUXIKP6WM4VM3LL3DU

not attested not anchored not stored refs pending

On the fate of the phantom dark energy universe in semiclassical gravity II: Scalar phantom fields

Emilio Elizalde, Jaume Amoros, Jaume de Haro

arxiv:1206.6948 v1 · 2012-06-29 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLZYE4FADUXIKP6WM4VM3LL3DU}

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	2026-05-18T02:52:32.586793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2f38270a01d2e853fd6672acdad7b1d15ab124ba49fd4d45839927ad409636b

Aliases

arxiv: 1206.6948 · arxiv_version: 1206.6948v1 · doi: 10.48550/arxiv.1206.6948 · pith_short_12: WLZYE4FADUXI · pith_short_16: WLZYE4FADUXIKP6W · pith_short_8: WLZYE4FA

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/WLZYE4FADUXIKP6WM4VM3LL3DU \
  | 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: b2f38270a01d2e853fd6672acdad7b1d15ab124ba49fd4d45839927ad409636b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aada2f57c365fecaa0f124157835e5d4917f294dc88db663e2c7ce549da85953",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-29T06:18:09Z",
    "title_canon_sha256": "47153cb2149c0bd5a0cabddf0fce4cdd423d73b637cbbd2bee03db177d83c309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6948",
    "kind": "arxiv",
    "version": 1
  }
}