Pith Number

pith:NDOC444M

pith:2014:NDOC444MZWNL5N357LIAZNBLA4

not attested not anchored not stored refs pending

The Evolving Activity of the Dynamically Young Comet C/2009 P1 (Garradd)

A. McKay, D. Bodewits, D.G. Schleicher, J.M Sunshine, L.M. Feaga, M.F. A'Hearn, T.L. Farnham

arxiv:1403.0092 v1 · 2014-03-01 · 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{NDOC444MZWNL5N357LIAZNBLA4}

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	2026-05-18T01:44:21.574163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68dc2e738ccd9abeb77dfad00cb42b07251506afc23a6ffa1c326de7fad8c47f

Aliases

arxiv: 1403.0092 · arxiv_version: 1403.0092v1 · doi: 10.48550/arxiv.1403.0092 · pith_short_12: NDOC444MZWNL · pith_short_16: NDOC444MZWNL5N35 · pith_short_8: NDOC444M

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/NDOC444MZWNL5N357LIAZNBLA4 \
  | 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: 68dc2e738ccd9abeb77dfad00cb42b07251506afc23a6ffa1c326de7fad8c47f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde9f2cf8f8b77b268de12a58427236954bd545c2cba3b427f09da7341db670f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2014-03-01T14:59:07Z",
    "title_canon_sha256": "fa77525327faf3e6582e8c693f4c7dad766e5d05522b7f3cc7bcc9cda898c43d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0092",
    "kind": "arxiv",
    "version": 1
  }
}