Pith Number

pith:SBS7XBL2

pith:2002:SBS7XBL23VGETDUWOKPMIPGWWG

not attested not anchored not stored refs pending

The Star Formation Rate Intensity Distribution Function -- Comparison of Observations with Hierarchical Galaxy Formation

Rennan Barkana (Tel Aviv University)

arxiv:astro-ph/0201492 v2 · 2002-01-29 · 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{SBS7XBL23VGETDUWOKPMIPGWWG}

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	2026-05-18T01:40:43.298920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9065fb857add4c498e96729ec43cd6b1a98ba125f351c118574a93614f665e5a

Aliases

arxiv: astro-ph/0201492 · arxiv_version: astro-ph/0201492v2 · doi: 10.48550/arxiv.astro-ph/0201492 · pith_short_12: SBS7XBL23VGE · pith_short_16: SBS7XBL23VGETDUW · pith_short_8: SBS7XBL2

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/SBS7XBL23VGETDUWOKPMIPGWWG \
  | 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: 9065fb857add4c498e96729ec43cd6b1a98ba125f351c118574a93614f665e5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "020bc7fccadd25c32f4d86eeadc7e1d27780f9d642c07295d552673fbd1ac678",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-29T21:40:52Z",
    "title_canon_sha256": "ec7f83b6a93caae2b68dccea0c157c900dde1c9dd93cf4902f6acfa3b92a4dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201492",
    "kind": "arxiv",
    "version": 2
  }
}