Pith. sign in
Pith Number

pith:ZQNQBVIC

pith:2011:ZQNQBVICM27X7NDTHKCBLG3B2T
not attested not anchored not stored refs pending

WR 140 in the Infrared

Peredur Williams

arxiv:1101.1046 v1 · 2011-01-05 · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ZQNQBVICM27X7NDTHKCBLG3B2T}

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

Receipt and verification
First computed 2026-05-18T04:32:00.995359Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

cc1b00d50266bf7fb4733a84159b61d4d5f440bf0c30fb39c2a7a6107a7be276

Aliases

arxiv: 1101.1046 · arxiv_version: 1101.1046v1 · doi: 10.48550/arxiv.1101.1046 · pith_short_12: ZQNQBVICM27X · pith_short_16: ZQNQBVICM27X7NDT · pith_short_8: ZQNQBVIC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZQNQBVICM27X7NDTHKCBLG3B2T \
  | 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: cc1b00d50266bf7fb4733a84159b61d4d5f440bf0c30fb39c2a7a6107a7be276
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "69653c0a94be094a0322807d80b20b08901c0ba9b093343e61539e61859d9f18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-05T18:12:44Z",
    "title_canon_sha256": "806d04f5c164287177b568956b5542c026af4ca20f6c59484da1bc54b6706366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1046",
    "kind": "arxiv",
    "version": 1
  }
}