Pith Number

pith:KZQXXJOK

pith:2002:KZQXXJOK35UZT5IAPJYWRLMYQI

not attested not anchored not stored refs pending

Signatures of primordial helicity in the CMBR

Levon Pogosian, Serge Winitzki, Tanmay Vachaspati

arxiv:astro-ph/0210039 v1 · 2002-10-01 · 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{KZQXXJOK35UZT5IAPJYWRLMYQI}

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	2026-05-18T01:40:42.124434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56617ba5cadf6999f5007a7168ad988227271d797ddf2a3fbbd2de81762a2d7b

Aliases

arxiv: astro-ph/0210039 · arxiv_version: astro-ph/0210039v1 · doi: 10.48550/arxiv.astro-ph/0210039 · pith_short_12: KZQXXJOK35UZ · pith_short_16: KZQXXJOK35UZT5IA · pith_short_8: KZQXXJOK

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/KZQXXJOK35UZT5IAPJYWRLMYQI \
  | 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: 56617ba5cadf6999f5007a7168ad988227271d797ddf2a3fbbd2de81762a2d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06e3cb67458d5b8109f323b79cc7d6bd8990cd8307803a5a3319b892aa520f69",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-01T16:46:58Z",
    "title_canon_sha256": "dbe50ed2247e7ddbf1f7d8a35f610797e81613afc6d3fd21da2fa33239a28484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210039",
    "kind": "arxiv",
    "version": 1
  }
}