Pith Number

pith:EBQL2ANL

pith:1999:EBQL2ANLOHU52JHU427LV4RJWM

not attested not anchored not stored refs pending

Analysis of Star Formation in Galaxy-like Objects

Argentina), Patricia B. Tissera (Instituto de Astronomia y Fisica del Espacio (CONICET)

arxiv:astro-ph/9912431 v1 · 1999-12-20 · 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{EBQL2ANLOHU52JHU427LV4RJWM}

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	2026-05-18T01:07:35.680655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2060bd01ab71e9dd24f4e6bebaf229b33a0d24a77514f06e39fc5ac6634bf796

Aliases

arxiv: astro-ph/9912431 · arxiv_version: astro-ph/9912431v1 · doi: 10.48550/arxiv.astro-ph/9912431 · pith_short_12: EBQL2ANLOHU5 · pith_short_16: EBQL2ANLOHU52JHU · pith_short_8: EBQL2ANL

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/EBQL2ANLOHU52JHU427LV4RJWM \
  | 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: 2060bd01ab71e9dd24f4e6bebaf229b33a0d24a77514f06e39fc5ac6634bf796

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1832d6632aa1e7a32b8366e4a9abaad2d049d698c6be459c8bd2ae440f35b667",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-20T20:08:41Z",
    "title_canon_sha256": "296176c630a376c4c30e36c02cccac5a38388cd8b926390a58afbae9e4ce8207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912431",
    "kind": "arxiv",
    "version": 1
  }
}