Pith Number

pith:OAEGQBPI

pith:2012:OAEGQBPIDA2VPZZGRZ3TYBZXYQ

not attested not anchored not stored refs pending

The effect of systematics on polarized spectral indices

Hans Kristian Eriksen, Ingunn Kathrine Wehus, Unni Fuskeland

arxiv:1201.6348 v2 · 2012-01-30 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAEGQBPIDA2VPZZGRZ3TYBZXYQ}

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	2026-05-18T01:58:37.961922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70086805e8183557e7268e773c0737c43a2c33663d8e0f959a6efb7d20708c12

Aliases

arxiv: 1201.6348 · arxiv_version: 1201.6348v2 · doi: 10.48550/arxiv.1201.6348 · pith_short_12: OAEGQBPIDA2V · pith_short_16: OAEGQBPIDA2VPZZG · pith_short_8: OAEGQBPI

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/OAEGQBPIDA2VPZZGRZ3TYBZXYQ \
  | 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: 70086805e8183557e7268e773c0737c43a2c33663d8e0f959a6efb7d20708c12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a21aab48bc8bdd5bd79a19b1ea9659a0b6ae5f4daf286c46f933f10aa7bd425f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-30T20:45:51Z",
    "title_canon_sha256": "d4cbc2f5e61c2e5ae06bcfafbe1db1798c178f6000b4ef94f58f12d5cfaa095f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.6348",
    "kind": "arxiv",
    "version": 2
  }
}