Pith Number

pith:K4CBRCX2

pith:2012:K4CBRCX2F7YX7RA5ENUCJDVCX6

not attested not anchored not stored refs pending

Ensemble Properties of Comets in the Sloan Digital Sky Survey

Andrew A. West, Andrew C. Becker, Donald P. Schneider, Gillian R. Knapp, James E. Gunn, Lynne Jones, Mario Juric, Mark Claire, Michael Solontoi, Robert H. Lupton, Steve Kent, Tom Quinn, Zeljko Ivezic

arxiv:1202.3999 v1 · 2012-02-17 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4CBRCX2F7YX7RA5ENUCJDVCX6}

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	2026-05-18T04:02:02.252067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5704188afa2ff17fc41d2368248ea2bfa69158adfb899b9c93c32e41d244b0ab

Aliases

arxiv: 1202.3999 · arxiv_version: 1202.3999v1 · doi: 10.48550/arxiv.1202.3999 · pith_short_12: K4CBRCX2F7YX · pith_short_16: K4CBRCX2F7YX7RA5 · pith_short_8: K4CBRCX2

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/K4CBRCX2F7YX7RA5ENUCJDVCX6 \
  | 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: 5704188afa2ff17fc41d2368248ea2bfa69158adfb899b9c93c32e41d244b0ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbd67bc1d3142fab4787dfabfd226e4733cd355cf7be355a3db82d921b649f4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-02-17T20:00:08Z",
    "title_canon_sha256": "8e12519481317c1bb59fcbb882bb0b643ba315d042e88d3d40d3145889cb5554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3999",
    "kind": "arxiv",
    "version": 1
  }
}