Pith Number

pith:H37DO6X6

pith:2008:H37DO6X63P2UZ4GBHKD2DH3UP3

not attested not anchored not stored refs pending

Suzaku Observations of the Circinus galaxy

A. S. Wilson, G. Matt, L. J. Greenhill, Y. Terashima, Y. Yang

arxiv:0809.4656 v1 · 2008-09-26 · 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{H37DO6X63P2UZ4GBHKD2DH3UP3}

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	2026-05-18T04:29:26.422289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3efe377afedbf54cf0c13a87a19f747ef2f7f2931038eb61bebaa00813660b89

Aliases

arxiv: 0809.4656 · arxiv_version: 0809.4656v1 · doi: 10.48550/arxiv.0809.4656 · pith_short_12: H37DO6X63P2U · pith_short_16: H37DO6X63P2UZ4GB · pith_short_8: H37DO6X6

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/H37DO6X63P2UZ4GBHKD2DH3UP3 \
  | 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: 3efe377afedbf54cf0c13a87a19f747ef2f7f2931038eb61bebaa00813660b89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b2a8c563187b6b0dc7a564200c7cdd5cfc74cb9978cff0636f23a3a81d2867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-26T15:28:15Z",
    "title_canon_sha256": "849ca520869c6c76711b2481ee49e0932390a2351a3bb5d64b3bb5e96dba6edf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4656",
    "kind": "arxiv",
    "version": 1
  }
}