Pith Number

pith:SN5BKQST

pith:2017:SN5BKQSTMWWPCIJMWMG3NRQMRQ

not attested not anchored not stored refs pending

Action functional of the Cardassian universe

Chao-Jun Feng, Rui-Hui Lin, Xiang-Hua Zhai, Xin-zhou Li

arxiv:1705.09490 v1 · 2017-05-26 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SN5BKQSTMWWPCIJMWMG3NRQMRQ}

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	2026-05-18T00:43:24.792081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

937a15425365acf1212cb30db6c60c8c117770075329fb77132b4b458e4a60b2

Aliases

arxiv: 1705.09490 · arxiv_version: 1705.09490v1 · doi: 10.48550/arxiv.1705.09490 · pith_short_12: SN5BKQSTMWWP · pith_short_16: SN5BKQSTMWWPCIJM · pith_short_8: SN5BKQST

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/SN5BKQSTMWWPCIJMWMG3NRQMRQ \
  | 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: 937a15425365acf1212cb30db6c60c8c117770075329fb77132b4b458e4a60b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cf3365f06dc0eeae3aa9bcb6dd12b59b4ea36d81732c27a3f10a5d483aadee9",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-26T09:13:54Z",
    "title_canon_sha256": "0525c618ada7df4c6691fe9e648bb0a353b6d2aebec6d179a81971960993cc5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09490",
    "kind": "arxiv",
    "version": 1
  }
}