Pith Number

pith:WE234PZZ

pith:2025:WE234PZZOQODHLV3DWM5TYXTXV

not attested not anchored not stored refs pending

Recent Chemo-morphological Coma Evolution of Comet 67P/Churyumov-Gerasimenko

Bin Yang, Brian P. Murphy, Colin Snodgrass, Cyrielle Opitom, L\'ea Ferellec, Matthew Knight, Sophie E. Deam, Vincent Okoth

arxiv:2507.13979 v1 · 2025-07-18 · 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{WE234PZZOQODHLV3DWM5TYXTXV}

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	2026-07-05T11:39:26.402453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b135be3f39741c33aebb1d99d9e2f3bd5ffc46d5d394fdaeb125e6b2ecdb8562

Aliases

arxiv: 2507.13979 · arxiv_version: 2507.13979v1 · doi: 10.48550/arxiv.2507.13979 · pith_short_12: WE234PZZOQOD · pith_short_16: WE234PZZOQODHLV3 · pith_short_8: WE234PZZ

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/WE234PZZOQODHLV3DWM5TYXTXV \
  | 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: b135be3f39741c33aebb1d99d9e2f3bd5ffc46d5d394fdaeb125e6b2ecdb8562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82ec0cca7f4f599d228ef68960170d45a40b6f04c906607eb752736090ffd1b1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-18T14:43:04Z",
    "title_canon_sha256": "7f4ee17b3ed0c5c75a427ad7926f89f213891c8e9a8ef7d8a13bdb5051669b86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13979",
    "kind": "arxiv",
    "version": 1
  }
}