Pith Number

pith:3ELK7T2J

pith:2003:3ELK7T2J4HQLSATOAX6ZALVJ7A

not attested not anchored not stored refs pending

The Vela Pulsar in the Near-Infrared

(2) Stockholm Observatory, A. B. Koptsevich (1), J. Sollerman (2), P. Lundqvist (2) ((1) Ioffe Institute, Russia, Sweden), Y. A. Shibanov (1)

arxiv:astro-ph/0305273 v1 · 2003-05-15 · 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{3ELK7T2J4HQLSATOAX6ZALVJ7A}

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	2026-05-18T01:07:33.576004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d916afcf49e1e0b9026e05fd902ea9f83fe912235dbba2b09344d3d481eae9fc

Aliases

arxiv: astro-ph/0305273 · arxiv_version: astro-ph/0305273v1 · doi: 10.48550/arxiv.astro-ph/0305273 · pith_short_12: 3ELK7T2J4HQL · pith_short_16: 3ELK7T2J4HQLSATO · pith_short_8: 3ELK7T2J

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/3ELK7T2J4HQLSATOAX6ZALVJ7A \
  | 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: d916afcf49e1e0b9026e05fd902ea9f83fe912235dbba2b09344d3d481eae9fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044745c327424d339db8c1d0053b4a38a2413682010603e93f3da62fb69a9f8f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-15T17:51:40Z",
    "title_canon_sha256": "a8bb9e679f37fe24fe14c1675621b7351b295a686232ab55fea4f65238e42fba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305273",
    "kind": "arxiv",
    "version": 1
  }
}