Pith Number

pith:YOHDG2LO

pith:2012:YOHDG2LOYPQGY5HHX6OS5IFPLO

not attested not anchored not stored refs pending

Confronting Phantom Dark Energy with Observations

Chien-Wen Chen, Pao-Yu Wang, Pisin Chen

arxiv:1208.6579 v1 · 2012-08-31 · astro-ph.CO · 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{YOHDG2LOYPQGY5HHX6OS5IFPLO}

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	2026-05-18T03:46:32.505174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c38e33696ec3e06c74e7bf9d2ea0af5ba1b3d9fa9cf9ef34bfde193abaa8ebb7

Aliases

arxiv: 1208.6579 · arxiv_version: 1208.6579v1 · doi: 10.48550/arxiv.1208.6579 · pith_short_12: YOHDG2LOYPQG · pith_short_16: YOHDG2LOYPQGY5HH · pith_short_8: YOHDG2LO

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/YOHDG2LOYPQGY5HHX6OS5IFPLO \
  | 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: c38e33696ec3e06c74e7bf9d2ea0af5ba1b3d9fa9cf9ef34bfde193abaa8ebb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b50bc69c5ebbb1fcf42556a64640478ef1747e81113328047a5dc54d1f484a8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-31T19:10:51Z",
    "title_canon_sha256": "d5c9693442f08126ced301ef4cc90d1a5d9984e2b18249ea04fd49305742d2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6579",
    "kind": "arxiv",
    "version": 1
  }
}