Pith Number

pith:W47MFGA6

pith:2004:W47MFGA6EL772J4QDQHRIVDFZN

not attested not anchored not stored refs pending

The starburst phenomenon from the optical/near-IR perspective

(2) Stockholm Astronomical Observatory), Erik Zackrisson (1) ((1) Uppsala Astronomical Observatory, G\"oran \"Ostlin (2), Nils Bergvall (1), Thomas Marquart (1)

arxiv:astro-ph/0412119 v1 · 2004-12-06 · 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{W47MFGA6EL772J4QDQHRIVDFZN}

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	2026-05-18T01:27:16.358306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73ec2981e22fffd27901c0f145465cb6f41679c4dc495fedf4467823e187c2e

Aliases

arxiv: astro-ph/0412119 · arxiv_version: astro-ph/0412119v1 · doi: 10.48550/arxiv.astro-ph/0412119 · pith_short_12: W47MFGA6EL77 · pith_short_16: W47MFGA6EL772J4Q · pith_short_8: W47MFGA6

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/W47MFGA6EL772J4QDQHRIVDFZN \
  | 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: b73ec2981e22fffd27901c0f145465cb6f41679c4dc495fedf4467823e187c2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8b236df6aac96cef936de352b815600fa41de26c951e3863c1b9ed4fac15f9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-12-06T10:57:28Z",
    "title_canon_sha256": "ca00fa163e23cf4a8d9ebf0a83d635db46a2e7c1f24875b7a6b23beb20a71d5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0412119",
    "kind": "arxiv",
    "version": 1
  }
}