Pith Number

pith:CNYIAE4O

pith:2004:CNYIAE4OLKZOWDCTCOKDA23ONB

not attested not anchored not stored refs pending

High resolution Chandra X-ray imaging of the nucleus of M33

G. Dubus, K. S. Long, P. A. Charles

arxiv:astro-ph/0406310 v1 · 2004-06-14 · 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{CNYIAE4OLKZOWDCTCOKDA23ONB}

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	2026-07-04T16:44:00.355579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

137080138e5ab2eb0c531394306b6e68565e6fec22f87864da80530565e3dd71

Aliases

arxiv: astro-ph/0406310 · arxiv_version: astro-ph/0406310v1 · doi: 10.48550/arxiv.astro-ph/0406310 · pith_short_12: CNYIAE4OLKZO · pith_short_16: CNYIAE4OLKZOWDCT · pith_short_8: CNYIAE4O

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/CNYIAE4OLKZOWDCTCOKDA23ONB \
  | 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: 137080138e5ab2eb0c531394306b6e68565e6fec22f87864da80530565e3dd71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360a4f4362775e7583b6468c35792e7e9fb60b57010d51a32407f539815732a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-14T11:44:33Z",
    "title_canon_sha256": "bbb5ac9bd917a328bdc860e31382a12b4adfc43f2b939194cb42012103c4dcd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406310",
    "kind": "arxiv",
    "version": 1
  }
}