Pith Number

pith:3NHT4V3Y

pith:2010:3NHT4V3YBBMFYP3FD6C2TCGGVR

not attested not anchored not stored refs pending

The Chandra ACIS Survey of M33: X-ray, Optical and Radio Properties of the Supernova Remnants

Benjamin Williams, David J. Helfand, Destry Saul, Emily K. McNeil, John P. Hughes, Kip D. Kuntz, Knox S. Long, Parviz Ghavamian, Paul P. Plucinsky, P. Frank Winkler, Ralph Tuellmann, Robert H. Becker, Robert P. Kirshner, Terrance J. Gaetz, Thomas G. Pannuti, William P. Blair

arxiv:1002.1839 v1 · 2010-02-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NHT4V3YBBMFYP3FD6C2TCGGVR}

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.

Cited by

1 paper in Pith

Diffuse gamma-ray emission in the vicinity of open cluster Berkeley 87

Receipt and verification

First computed	2026-05-18T02:09:10.900824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4f3e577808585c3f651f85a988c6ac5e096afc7c4fc5087b0ef72c53cf2588

Aliases

arxiv: 1002.1839 · arxiv_version: 1002.1839v1 · doi: 10.48550/arxiv.1002.1839 · pith_short_12: 3NHT4V3YBBMF · pith_short_16: 3NHT4V3YBBMFYP3F · pith_short_8: 3NHT4V3Y

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/3NHT4V3YBBMFYP3FD6C2TCGGVR \
  | 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: db4f3e577808585c3f651f85a988c6ac5e096afc7c4fc5087b0ef72c53cf2588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c43a22a8c9f08f6aaa72558f772ffc186e3726aa33fafc9e5e9ac54c3bc0b04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-09T19:06:29Z",
    "title_canon_sha256": "22a9f7d59e4d10c9db0c69b7f26df71f705e40055d5e5859eb892849ce61449e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1839",
    "kind": "arxiv",
    "version": 1
  }
}