Pith Number

pith:ONHD2BJG

pith:2007:ONHD2BJGV6KUCSIGZBVM3NSVPW

not attested not anchored not stored refs pending

A Statistical Method for Estimating Luminosity Functions using Truncated Data

Chad M. Schafer

arxiv:astro-ph/0702401 v1 · 2007-02-15 · 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{ONHD2BJGV6KUCSIGZBVM3NSVPW}

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	2026-05-18T04:29:06.495923Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734e3d0526af95414906c86acdb6557db7fa0ffa245fa185438c8e997db9b46b

Aliases

arxiv: astro-ph/0702401 · arxiv_version: astro-ph/0702401v1 · doi: 10.48550/arxiv.astro-ph/0702401 · pith_short_12: ONHD2BJGV6KU · pith_short_16: ONHD2BJGV6KUCSIG · pith_short_8: ONHD2BJG

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/ONHD2BJGV6KUCSIGZBVM3NSVPW \
  | 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: 734e3d0526af95414906c86acdb6557db7fa0ffa245fa185438c8e997db9b46b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "478772b284a9a9e14b0b8f0a2e96985f99e70ef56b72ec808d541183b46976e6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-15T03:10:16Z",
    "title_canon_sha256": "33b676a055d3211ce2001b8d9afda9b02ed6b419d1c80e3c332bda45a18550d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702401",
    "kind": "arxiv",
    "version": 1
  }
}