Pith Number

pith:E4VHUCUQ

pith:2011:E4VHUCUQ7UXKXQJQTOHKNAEAMO

not attested not anchored not stored refs pending

Multidimensional models of hydrogen and helium emission line profiles for classical T Tauri Stars: method, tests and examples

Marina M. Romanova, Ryuichi Kurosawa, Tim J. Harries

arxiv:1102.0828 v2 · 2011-02-04 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4VHUCUQ7UXKXQJQTOHKNAEAMO}

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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	2026-05-18T02:03:16.867937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

272a7a0a90fd2eabc1309b8ea6808063bead28af2e3409e2ac4a1d5801f8e292

Aliases

arxiv: 1102.0828 · arxiv_version: 1102.0828v2 · doi: 10.48550/arxiv.1102.0828 · pith_short_12: E4VHUCUQ7UXK · pith_short_16: E4VHUCUQ7UXKXQJQ · pith_short_8: E4VHUCUQ

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/E4VHUCUQ7UXKXQJQTOHKNAEAMO \
  | 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: 272a7a0a90fd2eabc1309b8ea6808063bead28af2e3409e2ac4a1d5801f8e292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dadd035001e4f337bbe6275a219ee9cd38160809040d7e1ecfeea503e416cd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-04T03:39:37Z",
    "title_canon_sha256": "27c31d808003c8a20a301e0665de2bc9f07c179ddb7acfba3ab6792450e6ee4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0828",
    "kind": "arxiv",
    "version": 2
  }
}