Pith Number

pith:UOHCDQBW

pith:2018:UOHCDQBW6RVESSKIAMCDTKZRRW

not attested not anchored not stored refs pending

Coma Morphology, Numerical Modeling, and Production Rates for Comet C/Lulin (2007 N3)

Allison N. Bair, David G. Schleicher, Matthew M. Knight

arxiv:1807.11867 v1 · 2018-07-31 · 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{UOHCDQBW6RVESSKIAMCDTKZRRW}

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	2026-05-18T00:04:55.234830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38e21c036f46a494948030439ab318dbb2ab098103439281f939c2ea2b9ac52

Aliases

arxiv: 1807.11867 · arxiv_version: 1807.11867v1 · doi: 10.48550/arxiv.1807.11867 · pith_short_12: UOHCDQBW6RVE · pith_short_16: UOHCDQBW6RVESSKI · pith_short_8: UOHCDQBW

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/UOHCDQBW6RVESSKIAMCDTKZRRW \
  | 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: a38e21c036f46a494948030439ab318dbb2ab098103439281f939c2ea2b9ac52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d5544fbc7a65c368cdab61a2865188978838c7734239d5f7599f286580bd4f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-07-31T15:30:27Z",
    "title_canon_sha256": "392796d64201207945a620bde47ba326bed9fe8b87e6aae78eeb098b047c5d1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11867",
    "kind": "arxiv",
    "version": 1
  }
}