Pith Number

pith:F7ZCX2NJ

pith:2014:F7ZCX2NJPMQTADN7IRU7KRCKG7

not attested not anchored not stored refs pending

A Chandra Observation of the Eclipsing Wolf-Rayet Binary CQ Cep

M. Guedel, S.A. Zhekov, S.L. Skinner, W. Schmutz

arxiv:1411.4075 v1 · 2014-11-14 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7ZCX2NJPMQTADN7IRU7KRCKG7}

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	2026-05-18T01:41:30.275771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff22be9a97b21300dbf4469f5444a37dae8e06661d9dbc6e00acef4bbbd9603

Aliases

arxiv: 1411.4075 · arxiv_version: 1411.4075v1 · doi: 10.48550/arxiv.1411.4075 · pith_short_12: F7ZCX2NJPMQT · pith_short_16: F7ZCX2NJPMQTADN7 · pith_short_8: F7ZCX2NJ

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/F7ZCX2NJPMQTADN7IRU7KRCKG7 \
  | 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: 2ff22be9a97b21300dbf4469f5444a37dae8e06661d9dbc6e00acef4bbbd9603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96824b32ca7cfa5d7cc07205d6285c3eb9a698c1ae8b63e01882bfc6ab6cf55c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-11-14T22:44:12Z",
    "title_canon_sha256": "ad7e6d95cb15158868073983f9c7b03735421c2328edc1d475019726157eb7bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4075",
    "kind": "arxiv",
    "version": 1
  }
}