Pith Number

pith:DQHBZPEW

pith:2011:DQHBZPEWYE2HPZP4Z6WGBMN3NO

not attested not anchored not stored refs pending

CID: Chemistry in disks VI.sulfur-bearing molecules in the protoplanetary disks surrounding LkCa15, MWC480, DM Tau, and GO Tau

Anne Dutrey, Dmitry Semenov, Edwige Chapillon, Franck Hersant, Frederic Gueth, Katharina Schreyer, Ralf Launhardt, St\'ephane Guilloteau, Thomas Henning, Valentine Wakelam, Vincent Pi\'etu, Yann Boehler

arxiv:1109.5870 v1 · 2011-09-27 · astro-ph.SR · 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{DQHBZPEWYE2HPZP4Z6WGBMN3NO}

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	2026-05-18T02:00:22.771273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c0e1cbc96c13477e5fccfac60b1bb6bab1fc9383eca160848571f79304cc2b6

Aliases

arxiv: 1109.5870 · arxiv_version: 1109.5870v1 · doi: 10.48550/arxiv.1109.5870 · pith_short_12: DQHBZPEWYE2H · pith_short_16: DQHBZPEWYE2HPZP4 · pith_short_8: DQHBZPEW

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/DQHBZPEWYE2HPZP4Z6WGBMN3NO \
  | 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: 1c0e1cbc96c13477e5fccfac60b1bb6bab1fc9383eca160848571f79304cc2b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a081f8850c742f9e12b1e08fe6cd90adbd769eb7b9c51d84c415f2271e357c3",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-27T12:57:08Z",
    "title_canon_sha256": "5837eb8181fd9acd1ea241b1dfd92d0d5d46daee9ff9c6c6ece3310727b70c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5870",
    "kind": "arxiv",
    "version": 1
  }
}