Pith Number

pith:R64RCH6Z

pith:2012:R64RCH6ZNPFORZX62NG562ELRT

not attested not anchored not stored refs pending

Darkon fluid - a model for the dark sector of the Universe?

Peter C. Stichel, Wojtek J. Zakrzewski

arxiv:1202.4895 v1 · 2012-02-22 · hep-th · 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{R64RCH6ZNPFORZX62NG562ELRT}

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	2026-05-18T04:01:37.556723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb9111fd96bcae8e6fed34ddf688b8cfb9207b5e640e72af22449d107af7ce4

Aliases

arxiv: 1202.4895 · arxiv_version: 1202.4895v1 · doi: 10.48550/arxiv.1202.4895 · pith_short_12: R64RCH6ZNPFO · pith_short_16: R64RCH6ZNPFORZX6 · pith_short_8: R64RCH6Z

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/R64RCH6ZNPFORZX62NG562ELRT \
  | 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: 8fb9111fd96bcae8e6fed34ddf688b8cfb9207b5e640e72af22449d107af7ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5842699b2fd97a149422dd98f4b8e7af95ce5c68511736dc6ab0d27e47ecbdb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-02-22T12:54:00Z",
    "title_canon_sha256": "9fde3bc46a5e034ddd1573441983d525fde9b9fd07c723f3c8c8eaff850d1a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4895",
    "kind": "arxiv",
    "version": 1
  }
}