Pith Number

pith:F5JJ2VJO

pith:2011:F5JJ2VJOVDV7CXCOWIJNH5FF4K

not attested not anchored not stored refs pending

The Far-Ultraviolet "Continuum" in Protoplanetary Disk Systems II: CO Fourth Positive Emission and Absorption

Alexander Brown, Catherine Espaillat, Christopher M. Johns-Krull, David R. Ardila, Edwin Bergin, Eric B. Burgh, Evelyne Roueff, Frederick M. Walter, Gaitee Hussain, Graham M. Harper, Gregory J. Herczeg, Hao Yang, Herv\'e Abgrall, James C. Green, Jeff A. Valenti, Jeffrey L. Linsky, Joanna M. Brown, Kevin France, Laura Ingleby, Lynne A. Hillenbrand, Nuria Calvet, Rebecca Schindhelm, Scott G. Gregory, Thomas Bethell

arxiv:1104.0670 v1 · 2011-04-04 · 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{F5JJ2VJOVDV7CXCOWIJNH5FF4K}

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	2026-07-05T03:11:06.549064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f529d552ea8ebf15c4eb212d3f4a5e2ad0649b1a9d2d238a9cf93be90dd16ac

Aliases

arxiv: 1104.0670 · arxiv_version: 1104.0670v1 · doi: 10.48550/arxiv.1104.0670 · pith_short_12: F5JJ2VJOVDV7 · pith_short_16: F5JJ2VJOVDV7CXCO · pith_short_8: F5JJ2VJO

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/F5JJ2VJOVDV7CXCOWIJNH5FF4K \
  | 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: 2f529d552ea8ebf15c4eb212d3f4a5e2ad0649b1a9d2d238a9cf93be90dd16ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25206bca0e96d54104e125d8655f51c65f775dc127c2da24a7bb5cc444752bbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-04-04T20:01:05Z",
    "title_canon_sha256": "a86d37b86ca40e0cda3a972735d47590068bf10f535840fb249e83ed27f6fccf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0670",
    "kind": "arxiv",
    "version": 1
  }
}