Pith Number

pith:SUMEK5BI

pith:2024:SUMEK5BIFFXRFHARERZZOPB5YT

not attested not anchored not stored refs pending

Chemical Links between a Young M-type T Tauri Star and its Substellar Companion: Spectral Analysis and C/O Measurement of DH Tau A

David R. Coria, Erica Sawczynec, Ian J. M. Crossfield, Jerry W. Xuan, Maleah Rhem, Neda Hejazi, Paul I. Cristofari, Zhoujian Zhang

arxiv:2411.15591 v1 · 2024-11-23 · astro-ph.SR · 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{SUMEK5BIFFXRFHARERZZOPB5YT}

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	2026-07-05T09:39:37.650673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9518457428296f129c112473973c3dc4ea638ddb7f8816a3a9d3c9b81362e578

Aliases

arxiv: 2411.15591 · arxiv_version: 2411.15591v1 · doi: 10.48550/arxiv.2411.15591 · pith_short_12: SUMEK5BIFFXR · pith_short_16: SUMEK5BIFFXRFHAR · pith_short_8: SUMEK5BI

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/SUMEK5BIFFXRFHARERZZOPB5YT \
  | 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: 9518457428296f129c112473973c3dc4ea638ddb7f8816a3a9d3c9b81362e578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9752c1aa69d08a631c1aa74fa033fbf508d4132cc7234b953c9110fbaa94db42",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-11-23T15:37:58Z",
    "title_canon_sha256": "fcf7a8c05aaee688d992338c1d622c07523013c872cb797ae73c250a8569f0a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.15591",
    "kind": "arxiv",
    "version": 1
  }
}