Pith Number

pith:F67ACRMS

pith:2000:F67ACRMSZXUKKBMWLK7P6RT5TW

not attested not anchored not stored refs pending

Highly polarized structures in the near-nuclear regions of Cygnus A: intrinsic anisotropy within the cones?

A. Robinson, C.N. Tadhunter, C. Packham, D.J. Axon, J.H. Hough, L. Bergeron, N.J. Jackson, S. Young, W. Sparks

arxiv:astro-ph/0002179 v1 · 2000-02-08 · 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{F67ACRMSZXUKKBMWLK7P6RT5TW}

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	2026-07-04T16:16:02.586293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fbe014592cde8a505965abeff467d9dbe630cc3d4713fb260a7cc9a33c8b7eb

Aliases

arxiv: astro-ph/0002179 · arxiv_version: astro-ph/0002179v1 · doi: 10.48550/arxiv.astro-ph/0002179 · pith_short_12: F67ACRMSZXUK · pith_short_16: F67ACRMSZXUKKBMW · pith_short_8: F67ACRMS

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/F67ACRMSZXUKKBMWLK7P6RT5TW \
  | 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: 2fbe014592cde8a505965abeff467d9dbe630cc3d4713fb260a7cc9a33c8b7eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5215abf24aaaa0c0c6489c4fd229002672d80b42183a33f7edfbb129d027f904",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-08T15:18:51Z",
    "title_canon_sha256": "3e87658d743ce98e2b75933fedd8500ab0273db55ce2ecb9c1711aa1df9b6ada"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002179",
    "kind": "arxiv",
    "version": 1
  }
}