pith. sign in
Pith Number

pith:ND2SWY6D

pith:2011:ND2SWY6DV32D3HFXB7U4ZXDLNE
not attested not anchored not stored refs pending

Transition disk chemistry and future prospects with ALMA

Edwin A. Bergin, Jeffrey K. J. Fogel, Juergen Sauter, L. Ilsedore Cleeves, Nuria Calvet, Sebastian Wolf, Thomas J. Bethell

arxiv:1111.0010 v1 · 2011-10-31 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ND2SWY6DV32D3HFXB7U4ZXDLNE}

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 2026-05-18T01:59:49.360222Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

68f52b63c3aef43d9cb70fe9ccdc6b693e2c19e8b8330b2482490abbf663d90d

Aliases

arxiv: 1111.0010 · arxiv_version: 1111.0010v1 · doi: 10.48550/arxiv.1111.0010 · pith_short_12: ND2SWY6DV32D · pith_short_16: ND2SWY6DV32D3HFX · pith_short_8: ND2SWY6D
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ND2SWY6DV32D3HFXB7U4ZXDLNE \
  | 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: 68f52b63c3aef43d9cb70fe9ccdc6b693e2c19e8b8330b2482490abbf663d90d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "91c649bdcd6b7cffe5c525c355dc30b92254a0677b3edde117fbd2fda1bea0b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-31T20:00:02Z",
    "title_canon_sha256": "92ba0c4a9cb952e1ccba4060cc7c355f6989b4dc402e427ade4af2de101b0bbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0010",
    "kind": "arxiv",
    "version": 1
  }
}