Pith Number

pith:Y7BEVVBC

pith:2010:Y7BEVVBCPMO3BVLHYM64U7DR2G

not attested not anchored not stored refs pending

A view of the solar neighbourhood: the local population of planetary nebulae and their mimics

David J. Frew, Quentin A. Parker

arxiv:1010.5003 v1 · 2010-10-24 · 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{Y7BEVVBCPMO3BVLHYM64U7DR2G}

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	2026-05-18T04:38:49.601930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7c24ad4227b1db0d567c33dca7c71d199f8b3a511ea17ebb532fa85007deca5

Aliases

arxiv: 1010.5003 · arxiv_version: 1010.5003v1 · doi: 10.48550/arxiv.1010.5003 · pith_short_12: Y7BEVVBCPMO3 · pith_short_16: Y7BEVVBCPMO3BVLH · pith_short_8: Y7BEVVBC

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/Y7BEVVBCPMO3BVLHYM64U7DR2G \
  | 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: c7c24ad4227b1db0d567c33dca7c71d199f8b3a511ea17ebb532fa85007deca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5c1a0784c913d44aec4c0d59b187a1ba032c5b26dd9a16dc5fb4ad0e5bbb777",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-24T21:08:09Z",
    "title_canon_sha256": "59228a3a5b9107272c79a58e38a59944e6e93c72378a05ceb8281e656d492fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5003",
    "kind": "arxiv",
    "version": 1
  }
}