Pith Number

pith:55VKA6CO

pith:2002:55VKA6COVUG74MBB2WNZTOK6OQ

not attested not anchored not stored refs pending

A Helical Magnetic Field in the Jet of 3C 273

Keiichi Asada, Kenta Fujisawa, Makoto Inoue, Mutsumi Mutoh, Satoru Iguchi, Seiji Kameno, Yutaka Uchida

arxiv:astro-ph/0205497 v1 · 2002-05-29 · 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{55VKA6COVUG74MBB2WNZTOK6OQ}

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	2026-05-18T01:40:42.718497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef6aa0784ead0dfe3021d59b99b95e74301d5d740c0efa1937f892ab65d4b751

Aliases

arxiv: astro-ph/0205497 · arxiv_version: astro-ph/0205497v1 · doi: 10.48550/arxiv.astro-ph/0205497 · pith_short_12: 55VKA6COVUG7 · pith_short_16: 55VKA6COVUG74MBB · pith_short_8: 55VKA6CO

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/55VKA6COVUG74MBB2WNZTOK6OQ \
  | 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: ef6aa0784ead0dfe3021d59b99b95e74301d5d740c0efa1937f892ab65d4b751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ba8b2cc7282031839c5e5796039a8b8a012eff56b431ac12a191cfa7ad35350",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-29T08:09:27Z",
    "title_canon_sha256": "7e5148910cf218b70636c9b89ac7e5d2389762f07ca159530bb37ff616197e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205497",
    "kind": "arxiv",
    "version": 1
  }
}