Pith Number

pith:UR2FMCF3

pith:2010:UR2FMCF3SAQRFGPSXEGXRDHFZF

not attested not anchored not stored refs pending

The Spatially Resolved H\alpha-Emitting Wind Structure of P Cygni

Aurelian Balan, C. Tycner, D. J. Hutter, J. A. Benson, M. Templeton, R. T. Zavala

arxiv:1004.0376 v1 · 2010-04-02 · 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{UR2FMCF3SAQRFGPSXEGXRDHFZF}

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	2026-05-18T02:08:14.757499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4745608bb90211299f2b90d788ce5c9649a85958b51bcce6574880cc49ac48c

Aliases

arxiv: 1004.0376 · arxiv_version: 1004.0376v1 · doi: 10.48550/arxiv.1004.0376 · pith_short_12: UR2FMCF3SAQR · pith_short_16: UR2FMCF3SAQRFGPS · pith_short_8: UR2FMCF3

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/UR2FMCF3SAQRFGPSXEGXRDHFZF \
  | 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: a4745608bb90211299f2b90d788ce5c9649a85958b51bcce6574880cc49ac48c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "340d704d71639f89fe91c5956d6087fb432ee22f3920f033c71819878a455409",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-02T19:09:25Z",
    "title_canon_sha256": "8cc1e7933bc0f444a8ff17d7708370bf5c7005bc5fb0d1b330cef08b89d88d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0376",
    "kind": "arxiv",
    "version": 1
  }
}