Pith Number

pith:UNAH5BAI

pith:2001:UNAH5BAILOH7KZ5DLE3YUTAC2A

not attested not anchored not stored refs pending

Intermediate-band Surface Photometry of the Edge-on Galaxy: NGC 4565

Chinese Academy of Sciences), Dave Burstein (Arizona State University), et al, Hong Wu (National Astronomical Observatories of China), Zugan Deng (Graduate School

arxiv:astro-ph/0111433 v1 · 2001-11-22 · 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{UNAH5BAILOH7KZ5DLE3YUTAC2A}

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	2026-05-18T01:07:45.270786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3407e84085b8ff567a359378a4c02d001406f1a84853c570b91b5a4a9ee2448

Aliases

arxiv: astro-ph/0111433 · arxiv_version: astro-ph/0111433v1 · doi: 10.48550/arxiv.astro-ph/0111433 · pith_short_12: UNAH5BAILOH7 · pith_short_16: UNAH5BAILOH7KZ5D · pith_short_8: UNAH5BAI

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/UNAH5BAILOH7KZ5DLE3YUTAC2A \
  | 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: a3407e84085b8ff567a359378a4c02d001406f1a84853c570b91b5a4a9ee2448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2633a0ac9c7ea4a58981b59f3da5839245641d016553edd34ba39a2a6e39338",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-22T02:38:39Z",
    "title_canon_sha256": "d0e1dd6975b4b031b3301c42bd6157a95dfb33c73a0e6875c640120ed23a6548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111433",
    "kind": "arxiv",
    "version": 1
  }
}