Pith Number

pith:4HMIGMJC

pith:2013:4HMIGMJCBLT7JPUKG7TNFEJMFK

not attested not anchored not stored refs pending

Characterizing the Dust Coma of Comet C/2012 S1 (ISON) at 4.15 AU from the Sun

Harold A. Weaver, Imre Toth, Jian-Yang Li, Ludmilla Kolokolova, Matthew M. Knight, Max J. Mutchler, Michael F. A'Hearn, Michael S.P. Kelley, Philippe Lamy, Tony L. Farnham

arxiv:1311.0826 v1 · 2013-11-04 · 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{4HMIGMJCBLT7JPUKG7TNFEJMFK}

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	2026-05-18T01:46:39.260275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1d88331220ae7f4be8a37e6d2912c2aabdf54989ddb1492733693395782670c

Aliases

arxiv: 1311.0826 · arxiv_version: 1311.0826v1 · doi: 10.48550/arxiv.1311.0826 · pith_short_12: 4HMIGMJCBLT7 · pith_short_16: 4HMIGMJCBLT7JPUK · pith_short_8: 4HMIGMJC

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/4HMIGMJCBLT7JPUKG7TNFEJMFK \
  | 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: e1d88331220ae7f4be8a37e6d2912c2aabdf54989ddb1492733693395782670c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6341db17e91e92c86ed27283c8dab239c7d350768b659d18df677f51d9d3ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-04T19:58:36Z",
    "title_canon_sha256": "f0be7a80b10c01cfa9f35fec5068e6c3bc8e13d3b8c94326fdbb319dbe685f63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0826",
    "kind": "arxiv",
    "version": 1
  }
}