Pith Number

pith:JP3OERL4

pith:2000:JP3OERL42MI4QXNGROR5WAOV2X

not attested not anchored not stored refs pending

The Abundance of Interstellar Boron

J. Christopher Howk, Kenneth R. Sembach (JHU) & Blair D. Savage (Wisc.)

arxiv:astro-ph/0005520 v1 · 2000-05-25 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JP3OERL42MI4QXNGROR5WAOV2X}

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	2026-07-04T16:16:43.499342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf6e2457cd311c85da68ba3db01d5d5c434899bb556d0639ee06e120145f9c1

Aliases

arxiv: astro-ph/0005520 · arxiv_version: astro-ph/0005520v1 · doi: 10.48550/arxiv.astro-ph/0005520 · pith_short_12: JP3OERL42MI4 · pith_short_16: JP3OERL42MI4QXNG · pith_short_8: JP3OERL4

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/JP3OERL42MI4QXNGROR5WAOV2X \
  | 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: 4bf6e2457cd311c85da68ba3db01d5d5c434899bb556d0639ee06e120145f9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aa55527a8f7c66e92f2248383398e86fb71d0ba46fda0a4df09417041d7026e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-05-25T15:44:48Z",
    "title_canon_sha256": "166d996c2f568e48bd27573949441de21bb0035dce8437ca7b13230dedf48457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0005520",
    "kind": "arxiv",
    "version": 1
  }
}