Pith Number

pith:IXLBOSBY

pith:2013:IXLBOSBYUIG3YYY7NYYM2VACDM

not attested not anchored not stored refs pending

Evolution of CO lines in time-dependent models of protostellar disk formation

2), (2) SRON, (3) Univ. of Michigan, 4), (4) MPE Garching, 5) ((1) Leiden Observatory, (5) CfA), Daniel Harsono (1, Ewine F. van Dishoeck (1, Lars E. Kristensen (1, Ruud Visser (3), Simon Bruderer (4)

arxiv:1304.5203 v1 · 2013-04-18 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXLBOSBYUIG3YYY7NYYM2VACDM}

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	2026-05-18T01:50:31.011432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d6174838a20dbc631f6e30cd54021b3f1ec8c87b48e71cfb829578a3083ade

Aliases

arxiv: 1304.5203 · arxiv_version: 1304.5203v1 · doi: 10.48550/arxiv.1304.5203 · pith_short_12: IXLBOSBYUIG3 · pith_short_16: IXLBOSBYUIG3YYY7 · pith_short_8: IXLBOSBY

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/IXLBOSBYUIG3YYY7NYYM2VACDM \
  | 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: 45d6174838a20dbc631f6e30cd54021b3f1ec8c87b48e71cfb829578a3083ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e93ccfe5aa6f0d9e325a567fce80cc6d76e92f85d96dfadbd909484925c93685",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-04-18T18:04:28Z",
    "title_canon_sha256": "7882f1b6e318ab6a66ee3a553613f679f318cc5ea430a89fc106719c7eefff54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5203",
    "kind": "arxiv",
    "version": 1
  }
}