Pith Number

pith:IGGWNSRL

pith:2010:IGGWNSRLRNISFTJF2V5JWZ5NGB

not attested not anchored not stored refs pending

Are Proto-Planetary Nebulae Shaped by a Binary? Results of a Long-Term Radial Velocity Study

Andrew W. Woodsworth, Bruce J. Hrivnak, C. D. Scarfe, David Bohlender, Katrina Loewe Wefel, S. C. Morris, Wenxian Lu

arxiv:1012.5658 v2 · 2010-12-27 · 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{IGGWNSRLRNISFTJF2V5JWZ5NGB}

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	2026-05-18T02:04:17.404401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

418d66ca2b8b5122cd25d57a9b67ad3072cbb2bac33d558a8ad5dcc72fdc585b

Aliases

arxiv: 1012.5658 · arxiv_version: 1012.5658v2 · doi: 10.48550/arxiv.1012.5658 · pith_short_12: IGGWNSRLRNIS · pith_short_16: IGGWNSRLRNISFTJF · pith_short_8: IGGWNSRL

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/IGGWNSRLRNISFTJF2V5JWZ5NGB \
  | 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: 418d66ca2b8b5122cd25d57a9b67ad3072cbb2bac33d558a8ad5dcc72fdc585b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "027ff63e3754f6040280f3cecb013964053a06a49d53dabeee8099cdb8224ce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-27T20:47:25Z",
    "title_canon_sha256": "5a492ad6c9f04d2ad3b7ee9f14c68ba489f1254ac07b51f47a53f9fb66cb55d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5658",
    "kind": "arxiv",
    "version": 2
  }
}