Pith Number

pith:Y4RYCQEX

pith:2024:Y4RYCQEXM4VMGGQKY5NGEL7RZH

not attested not anchored not stored refs pending

Chemistry in the GG Tau A Disk: Constraints from H2D+, N2H+, and DCO+ High Angular Resolution ALMA Observations

\'Agnes K\'osp\'al, Anne Dutrey, Audrey Coutens, Chin-Fei Lee, Dmitry Semenov, E. Di Folco, Edwige Chapillon, Karen Willacy, Liton Majumdar, Maxime Ruaud, Neal Turner, N. T. Phuong, Parashmoni Kashyap, Pierre Gratier, Raghvendra Sahai, Richard Teague, St\'ephane Guilloteau, Thomas Henning, V. Pi\'etu, Y.-W. Tang

arxiv:2407.07238 v2 · 2024-07-09 · 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{Y4RYCQEXM4VMGGQKY5NGEL7RZH}

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	2026-07-05T09:12:29.824042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c723814097672ac31a0ac75a622ff1c9fc7e87f710d3584a75232718de515437

Aliases

arxiv: 2407.07238 · arxiv_version: 2407.07238v2 · doi: 10.48550/arxiv.2407.07238 · pith_short_12: Y4RYCQEXM4VM · pith_short_16: Y4RYCQEXM4VMGGQK · pith_short_8: Y4RYCQEX

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/Y4RYCQEXM4VMGGQKY5NGEL7RZH \
  | 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: c723814097672ac31a0ac75a622ff1c9fc7e87f710d3584a75232718de515437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d092c896ddacb59153a8255f63859db9388786e9bcac5f6a5f83d5b1c8e621b3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-07-09T21:37:33Z",
    "title_canon_sha256": "339213a396f9f51f83bba05b52056d0d5e33580c00f86409a64358b8d4d29d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.07238",
    "kind": "arxiv",
    "version": 2
  }
}