Pith Number

pith:QPMHWCDS

pith:2009:QPMHWCDSUUSM4WQZV3LIDW36IG

not attested not anchored not stored refs pending

A Multi-Wavelength Study of Parent Volatile Abundances in Comet C/2006 M4 (SWAN)

Boncho P. Bonev, Geronimo L. Villanueva, Lindsay N. Zack, Lucy M. Ziurys, Michael A. DiSanti, Michael J. Mumma, Stefanie N. Milam, William M. Anderson

arxiv:0905.1927 v1 · 2009-05-12 · 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{QPMHWCDSUUSM4WQZV3LIDW36IG}

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	2026-05-18T02:13:39.848291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d87b0872a524ce5a19aed681db7e41b8f4393156f5817781094ae595190a4a

Aliases

arxiv: 0905.1927 · arxiv_version: 0905.1927v1 · doi: 10.48550/arxiv.0905.1927 · pith_short_12: QPMHWCDSUUSM · pith_short_16: QPMHWCDSUUSM4WQZ · pith_short_8: QPMHWCDS

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/QPMHWCDSUUSM4WQZV3LIDW36IG \
  | 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: 83d87b0872a524ce5a19aed681db7e41b8f4393156f5817781094ae595190a4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d9eeecab3f951e9ac6269312c901ef27adfb4fc5c8b1a6708660a511fbf22b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-05-12T18:24:03Z",
    "title_canon_sha256": "07e307faee10bc3780396674f1b9847e2ca892cc2835b7ab8c28988e6db2c98d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1927",
    "kind": "arxiv",
    "version": 1
  }
}