Pith Number

pith:FR2467ZW

pith:2009:FR2467ZWISA5E5V72KT7YB6JSP

not attested not anchored not stored refs pending

Binary planetary nebulae nuclei towards the Galactic bulge. II. A penchant for bipolarity and low-ionisation structures

A. Acker, A.F.J. Moffat, B. Miszalski, Q.A. Parker

arxiv:0907.2463 v1 · 2009-07-14 · astro-ph.SR · 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{FR2467ZWISA5E5V72KT7YB6JSP}

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	2026-05-18T02:13:03.052604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c75cf7f364481d276bfd2a7fc07c993f15d728c17d49356321e9dbaab074256

Aliases

arxiv: 0907.2463 · arxiv_version: 0907.2463v1 · doi: 10.48550/arxiv.0907.2463 · pith_short_12: FR2467ZWISA5 · pith_short_16: FR2467ZWISA5E5V7 · pith_short_8: FR2467ZW

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/FR2467ZWISA5E5V72KT7YB6JSP \
  | 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: 2c75cf7f364481d276bfd2a7fc07c993f15d728c17d49356321e9dbaab074256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1d31c09958d145273396e6a276fa7f18f5b83e09d8cff067db387d2658f786",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-14T22:10:48Z",
    "title_canon_sha256": "5bf6e2bc42ddbe5fbb27895544850b7935d076b1683f6daa1a809b819f395eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2463",
    "kind": "arxiv",
    "version": 1
  }
}