Pith Number

pith:CTPAURP4

pith:2014:CTPAURP4ALU5HGXM3KNCQ7P6PS

not attested not anchored not stored refs pending

X-ray emission from an FU Ori star in early outburst: HBC 722

Armin Liebhart, Joel Green, Manuel Guedel, Stephen Skinner

arxiv:1409.5357 v3 · 2014-09-18 · 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{CTPAURP4ALU5HGXM3KNCQ7P6PS}

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	2026-05-18T02:39:38.537119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14de0a45fc02e9d39aecda9a287dfe7c93bad6fd0ea5f9a64bb22488c2772541

Aliases

arxiv: 1409.5357 · arxiv_version: 1409.5357v3 · doi: 10.48550/arxiv.1409.5357 · pith_short_12: CTPAURP4ALU5 · pith_short_16: CTPAURP4ALU5HGXM · pith_short_8: CTPAURP4

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/CTPAURP4ALU5HGXM3KNCQ7P6PS \
  | 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: 14de0a45fc02e9d39aecda9a287dfe7c93bad6fd0ea5f9a64bb22488c2772541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2eb1dea17c4589cd1ec6de64d2bd4f300e371e73ef0107250b0b78f9bae24df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-18T16:11:52Z",
    "title_canon_sha256": "44298bc3d07e3365bc7c899f1f9281f73fff650f7d43f96046c659d3f1e1467e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5357",
    "kind": "arxiv",
    "version": 3
  }
}