Pith Number

pith:EFQLTJ73

pith:2014:EFQLTJ73JOHBM6HOELYUGXC4PY

not attested not anchored not stored refs pending

X-ray Emission from Eta Carinae near Periastron in 2009 I: A Two State Solution

Andrew M.T. Pollock, Augusto Damineli, Christopher Russell, Julian M. Pittard, Kenji Hamaguchi, Mairan Teodoro, Michael F. Corcoran, Theodore R. Gull, Thomas I. Madura

arxiv:1401.5870 v1 · 2014-01-23 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFQLTJ73JOHBM6HOELYUGXC4PY}

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	2026-05-18T01:45:17.696931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2160b9a7fb4b8e1678ee22f1435c5c7e127d2172207366a1245f25dbc14de729

Aliases

arxiv: 1401.5870 · arxiv_version: 1401.5870v1 · doi: 10.48550/arxiv.1401.5870 · pith_short_12: EFQLTJ73JOHB · pith_short_16: EFQLTJ73JOHBM6HO · pith_short_8: EFQLTJ73

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/EFQLTJ73JOHBM6HOELYUGXC4PY \
  | 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: 2160b9a7fb4b8e1678ee22f1435c5c7e127d2172207366a1245f25dbc14de729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214c92a50b44f4d66c689e5834f89794c6df6ed4d97e7888f307687eb9aabf08",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-23T04:19:05Z",
    "title_canon_sha256": "b9213b79df8232b6a4022519f16788e1da66915f1509f2bbdb169dde4156f759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5870",
    "kind": "arxiv",
    "version": 1
  }
}