Pith Number

pith:3ZUXPHSM

pith:2009:3ZUXPHSMB7DVLLGPG6OSK6NOZ3

not attested not anchored not stored refs pending

Radiation thermo-chemical models of protoplanetary disks II. Line diagnostics

I. Kamp, I. Tilling, M. Hogerheijde, P. Woitke, W.-F. Thi

arxiv:0911.1949 v1 · 2009-11-10 · 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{3ZUXPHSMB7DVLLGPG6OSK6NOZ3}

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	2026-05-18T02:10:49.007907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de69779e4c0fc755accf379d2579aecef6c6798c7613c75c33030a5f4577f97d

Aliases

arxiv: 0911.1949 · arxiv_version: 0911.1949v1 · doi: 10.48550/arxiv.0911.1949 · pith_short_12: 3ZUXPHSMB7DV · pith_short_16: 3ZUXPHSMB7DVLLGP · pith_short_8: 3ZUXPHSM

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/3ZUXPHSMB7DVLLGPG6OSK6NOZ3 \
  | 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: de69779e4c0fc755accf379d2579aecef6c6798c7613c75c33030a5f4577f97d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b340798d8b1a120204f40ea2528c14e79006c74477b65bb0c8e718725518bfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-10T17:31:43Z",
    "title_canon_sha256": "355e1137a272cd32a9c0cb719dba502ef1989ba9092123c465d5d98e03410142"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1949",
    "kind": "arxiv",
    "version": 1
  }
}