Pith Number

pith:XNMYK6KD

pith:2000:XNMYK6KDBXOAY7RKAP55YXTUCN

not attested not anchored not stored refs pending

Are there real orthogonal polarization modes in pulsar radio emission?

G.J. Qiao (PKU), R.X. Xu

arxiv:astro-ph/0007056 v1 · 2000-07-05 · 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{XNMYK6KDBXOAY7RKAP55YXTUCN}

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	2026-05-18T01:40:47.581593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb598579430ddc0c7e2a03fbdc5e74135d8261823992a386212154d038875403

Aliases

arxiv: astro-ph/0007056 · arxiv_version: astro-ph/0007056v1 · doi: 10.48550/arxiv.astro-ph/0007056 · pith_short_12: XNMYK6KDBXOA · pith_short_16: XNMYK6KDBXOAY7RK · pith_short_8: XNMYK6KD

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/XNMYK6KDBXOAY7RKAP55YXTUCN \
  | 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: bb598579430ddc0c7e2a03fbdc5e74135d8261823992a386212154d038875403

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d9a657143edee88463f6efc00fb922118338220479ac136579bdf2f20b8bbd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-05T18:02:53Z",
    "title_canon_sha256": "3e6a804d2ee950bd6c40861da4c4b09d213e68b3930d7445d7fbf72b53ab0ef6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007056",
    "kind": "arxiv",
    "version": 1
  }
}