Pith Number

pith:BMSS2PDB

pith:2011:BMSS2PDBOVD3XJE2VNPEZHESVT

not attested not anchored not stored refs pending

The nature of the embedded intermediate-mass T Tauri star DK Cha

2, (2) INAF-Osservatorio Astronomico di Roma, 3), (3) Max-Planck-Institut f\"ur Radioastronomie, (4) Th\"uringer Landessternwarte Tautenburg), Alessio Caratti o Garatti (1), Brunella Nisini (2), Dario Lorenzetti (2), Jochen Eisl\"offel (4), Rebeca Garcia Lopez (1, Simone Antoniucci (2), Teresa Giannini (2), Tom Ray (1) ((1) Dublin Institute for Advanced Studies

arxiv:1109.1220 v1 · 2011-09-06 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMSS2PDBOVD3XJE2VNPEZHESVT}

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	2026-05-18T02:00:38.906413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b252d3c617547bba49aab5e4c9c92acffdb2f812fcb27138d1386e1af177725

Aliases

arxiv: 1109.1220 · arxiv_version: 1109.1220v1 · doi: 10.48550/arxiv.1109.1220 · pith_short_12: BMSS2PDBOVD3 · pith_short_16: BMSS2PDBOVD3XJE2 · pith_short_8: BMSS2PDB

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/BMSS2PDBOVD3XJE2VNPEZHESVT \
  | 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: 0b252d3c617547bba49aab5e4c9c92acffdb2f812fcb27138d1386e1af177725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c26db3a0ab049787139aa9f4ab73df86053d8b68ef973a52573bf71943beac88",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-06T16:13:04Z",
    "title_canon_sha256": "31ffa0092043ff5508e495c955cf94e1a371ddd90538ea67a61700bfcb50abc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1220",
    "kind": "arxiv",
    "version": 1
  }
}