Pith Number

pith:CHFYPL67

pith:2020:CHFYPL67ENBKCYTL5CGBYRPIJA

not attested not anchored not stored refs pending

SciServer: a Science Platform for Astronomy and Beyond

Alexander S. Szalay, Aniruddha R. Thakar, Camy Chhetri, Dmitry Medvedev, Gerard Lemson, Jai Won Kim, Joseph Booker, Laszlo Dobos, Manuchehr Taghizadeh-Popp, Michael Rippin, M. Jordan Raddick

arxiv:2001.08619 v2 · 2020-01-23 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHFYPL67ENBKCYTL5CGBYRPIJA}

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	2026-07-05T01:32:57.385294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11cb87afdf2342a1626be88c1c45e8482830ec23cc9538678e054b5ab8bb2c3a

Aliases

arxiv: 2001.08619 · arxiv_version: 2001.08619v2 · doi: 10.48550/arxiv.2001.08619 · pith_short_12: CHFYPL67ENBK · pith_short_16: CHFYPL67ENBKCYTL · pith_short_8: CHFYPL67

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/CHFYPL67ENBKCYTL5CGBYRPIJA \
  | 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: 11cb87afdf2342a1626be88c1c45e8482830ec23cc9538678e054b5ab8bb2c3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba7d7a10aaae3913b13601ccd9fe08b00c2273da4403a497912bbb9044e1904",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-01-23T15:56:18Z",
    "title_canon_sha256": "ae37d112df044a3c23a4e6bc284fff5ee21a70c1e1a2442f3013fab03277e9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.08619",
    "kind": "arxiv",
    "version": 2
  }
}