Pith Number

pith:B4YCLW3N

pith:2011:B4YCLW3NJCVGPTUB5XKDY2GVCC

not attested not anchored not stored refs pending

Warm gas at 50 AU in the disk around Herbig Be star HD 100546

(2) University van Amsterdam, (3) ESO, 4), (4) Universit\"at Heidelberg, (5) University of Geneva, (6) Universidad Aut\'onoma de Madrid, (7) Th\"uringer Landessternwarte Tautenburg), A. Carmona (5), B. Stecklum (7) ((1) MPIA, C. P. Dullemond (1, G. Meeus (6), G. van der Plas (2), H. Linz (1), M. Goto (1), M. van den Ancker (3), Th. Henning (1)

arxiv:1201.0014 v1 · 2011-12-29 · astro-ph.GA · 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{B4YCLW3NJCVGPTUB5XKDY2GVCC}

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	2026-05-18T01:58:59.602408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f3025db6d48aa67ce81edd43c68d510af8b9d283ea46a243d165ba2ec72b93a

Aliases

arxiv: 1201.0014 · arxiv_version: 1201.0014v1 · doi: 10.48550/arxiv.1201.0014 · pith_short_12: B4YCLW3NJCVG · pith_short_16: B4YCLW3NJCVGPTUB · pith_short_8: B4YCLW3N

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/B4YCLW3NJCVGPTUB5XKDY2GVCC \
  | 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: 0f3025db6d48aa67ce81edd43c68d510af8b9d283ea46a243d165ba2ec72b93a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c1b84f607e07c53388958b30edcc9dd46d53bb21b9ecc298c5b2c4d6cedc69",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-12-29T21:00:08Z",
    "title_canon_sha256": "113b283da158b97cdda7823c1e0574fa251f60be3ddb3afeee78d597afb84024"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0014",
    "kind": "arxiv",
    "version": 1
  }
}