Pith Number

pith:UMPFARDL

pith:2019:UMPFARDL4OAALC5NEUC3AJ3JRK

not attested not anchored not stored refs pending

The Surface Distributions of the Production of the Major Volatile Species, H2O, CO2, CO and O2, from the Nucleus of Comet 67P/Churyumov-Gerasimenko throughout the Rosetta Mission as Measured by the ROSINA Double Focusing Mass Spectrometer

David Marshall, Dominique Bockel\'ee-Morvan, Fabrizio Capaccioni, Gabor Toth, Kathrin Altwegg, Kenneth C. Hansen, Martin Rubin, Michael Combi, Nicolas Fougere, Tamas Gombosi, Uwe Fink, Valeriy Tenishev, Yinsi Shou, Yu-Chi Cheng, Zhenguang Huang

arxiv:1909.02082 v1 · 2019-09-04 · 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{UMPFARDL4OAALC5NEUC3AJ3JRK}

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	2026-07-05T00:02:30.155843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a31e50446be380058bad2505b027698aa4b2ce5853bc6b752e1767429103821a

Aliases

arxiv: 1909.02082 · arxiv_version: 1909.02082v1 · doi: 10.48550/arxiv.1909.02082 · pith_short_12: UMPFARDL4OAA · pith_short_16: UMPFARDL4OAALC5N · pith_short_8: UMPFARDL

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/UMPFARDL4OAALC5NEUC3AJ3JRK \
  | 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: a31e50446be380058bad2505b027698aa4b2ce5853bc6b752e1767429103821a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b68620ace2453c4e223c4d176494776a08099d00ff40b0f5a9094f332022fa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-04T20:13:44Z",
    "title_canon_sha256": "3608a2400d7302170c5004e844508a66954a8ca11e653a954b2fe1d932bca6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02082",
    "kind": "arxiv",
    "version": 1
  }
}