Pith Number

pith:L6LQICYL

pith:2021:L6LQICYLJ5IRSTEOCE3VUTWGIJ

not attested not anchored not stored refs pending

A Study of the Soft X-ray Emission Lines in NGC 4151 I. Kinematic Properties of the Plasma Wind

B Ivanova, D. Theodorakis, E. Marshall, F. Hinds-Williams, H. Udueni, M. Ahmed, S. Grafton-Waters, S. Henson, W. Dunn

arxiv:2107.12737 v1 · 2021-07-27 · 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{L6LQICYLJ5IRSTEOCE3VUTWGIJ}

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	2026-07-05T03:01:57.329955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f97040b0b4f51194c8e11375a4ec6427a9e4a8a2444252e3271243d81faf6c2

Aliases

arxiv: 2107.12737 · arxiv_version: 2107.12737v1 · doi: 10.48550/arxiv.2107.12737 · pith_short_12: L6LQICYLJ5IR · pith_short_16: L6LQICYLJ5IRSTEO · pith_short_8: L6LQICYL

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/L6LQICYLJ5IRSTEOCE3VUTWGIJ \
  | 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: 5f97040b0b4f51194c8e11375a4ec6427a9e4a8a2444252e3271243d81faf6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0d7c4628900968cf46000a23d29c1995f793642d3737bf56d82cfd6df6d62b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-27T11:34:17Z",
    "title_canon_sha256": "4ddf7a37b39d1dc84c2ebcf7746c34306f1eebbec10adf3567560ed72c84d6ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12737",
    "kind": "arxiv",
    "version": 1
  }
}