Pith Number

pith:42DGRQYG

pith:2025:42DGRQYGJLGIGKG3LIPCNQZCF5

not attested not anchored not stored refs pending

A portrait throughout perihelion of the NH$_2$-rich interstellar comet 2I/Borisov

Alan Fitzsimmons, Aur\'elie Guilbert-Lepoutre, Bin Yang, Cyrielle Opitom, Darryl Z. Seligman, Emmanuel Jehin, Laurent Jorda, Matthew M. Knight, Michael Marsset, Michele T. Bannister, Philippe Rousselot, Pierre Vernazza, Ryan Ridden-Harper, Sophie E. Deam, Youssef Moulane

arxiv:2507.05051 v1 · 2025-07-07 · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42DGRQYGJLGIGKG3LIPCNQZCF5}

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.

Cited by

2 papers in Pith

Assessment of the Mass Loss and Radius Change of 3I/ATLAS Based on Observed Production Rates

NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)

Receipt and verification

First computed	2026-07-05T11:33:08.378011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68668c3064acc8328db5a1e26c3222f41d906bea36f0fa1a554befb0358ac8b

Aliases

arxiv: 2507.05051 · arxiv_version: 2507.05051v1 · doi: 10.48550/arxiv.2507.05051 · pith_short_12: 42DGRQYGJLGI · pith_short_16: 42DGRQYGJLGIGKG3 · pith_short_8: 42DGRQYG

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/42DGRQYGJLGIGKG3LIPCNQZCF5 \
  | 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: e68668c3064acc8328db5a1e26c3222f41d906bea36f0fa1a554befb0358ac8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c9372e2725fcfa85be0594e01cf74dbc09c65e92c80e581008c0f4e7259519e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-07T14:34:17Z",
    "title_canon_sha256": "ababf7db1409bbd57797e64ac82c4b8421079a9302b15be0d5406a1ac7a98dd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05051",
    "kind": "arxiv",
    "version": 1
  }
}