Pith Number

pith:XDN5QQ7Y

pith:2000:XDN5QQ7YI664HE3GMBVSE77M3L

not attested not anchored not stored refs pending

The effects of seeing on Sersic profiles

I. Trujillo, J. A. L. Aguerri, J. Cepa & C. M. Gutierrez

arxiv:astro-ph/0009097 v1 · 2000-09-06 · 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{XDN5QQ7YI664HE3GMBVSE77M3L}

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	2026-07-04T16:17:07.398623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8dbd843f847bdc39366606b227fecdac6713c8441928cacc1a13c319d32b8f0

Aliases

arxiv: astro-ph/0009097 · arxiv_version: astro-ph/0009097v1 · doi: 10.48550/arxiv.astro-ph/0009097 · pith_short_12: XDN5QQ7YI664 · pith_short_16: XDN5QQ7YI664HE3G · pith_short_8: XDN5QQ7Y

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/XDN5QQ7YI664HE3GMBVSE77M3L \
  | 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: b8dbd843f847bdc39366606b227fecdac6713c8441928cacc1a13c319d32b8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c9e3c7046b53330be981ae2d02c01eb255be59d19ae8191847223be5b1e1cc1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-06T15:32:35Z",
    "title_canon_sha256": "06ec1d0300915f2b70c2ae54b123830d68b574832376573b7c7a37aebb887887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009097",
    "kind": "arxiv",
    "version": 1
  }
}