Pith Number

pith:DFXTRACS

pith:2006:DFXTRACS5WZKOVQEQKVVA7NZKI

not attested not anchored not stored refs pending

Strongly induced collapse in the Class 0 protostar NGC 1333 IRAS 4A

A. Belloche, P. Andre, P. Hennebelle

arxiv:astro-ph/0602482 v1 · 2006-02-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFXTRACS5WZKOVQEQKVVA7NZKI}

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	2026-07-04T16:58:01.696605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196f388052edb2a7560482ab507db95204f4dae1c936f7d370d3d9b3cf13ca37

Aliases

arxiv: astro-ph/0602482 · arxiv_version: astro-ph/0602482v1 · doi: 10.48550/arxiv.astro-ph/0602482 · pith_short_12: DFXTRACS5WZK · pith_short_16: DFXTRACS5WZKOVQE · pith_short_8: DFXTRACS

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/DFXTRACS5WZKOVQEQKVVA7NZKI \
  | 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: 196f388052edb2a7560482ab507db95204f4dae1c936f7d370d3d9b3cf13ca37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382f8c6441d1e2751c5a486ea28313cc874577e98c6e173791765059ba25c725",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-02-22T07:28:18Z",
    "title_canon_sha256": "78db88c0ee1274c12848e5a9c3d65932602793ccfdf68dd31e52e738fb1b9b21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0602482",
    "kind": "arxiv",
    "version": 1
  }
}