Pith Number

pith:U3ORZFUR

pith:2012:U3ORZFURBK3WALCVZYOHQQZEUE

not attested not anchored not stored refs pending

Seismic probes of solar interior magnetic structure

Aaron Birch, Jeroen Tromp, Laurent Gizon, Shravan Hanasoge

arxiv:1207.4352 v1 · 2012-07-18 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3ORZFURBK3WALCVZYOHQQZEUE}

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	2026-05-18T01:56:16.906375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6dd1c96910ab7602c55ce1c784324a1108dc0f0334efc35622cc8b9c6210ccf

Aliases

arxiv: 1207.4352 · arxiv_version: 1207.4352v1 · doi: 10.48550/arxiv.1207.4352 · pith_short_12: U3ORZFURBK3W · pith_short_16: U3ORZFURBK3WALCV · pith_short_8: U3ORZFUR

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/U3ORZFURBK3WALCVZYOHQQZEUE \
  | 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: a6dd1c96910ab7602c55ce1c784324a1108dc0f0334efc35622cc8b9c6210ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549e7e326cb002b18d4e814ec7918d554bf4b1de92e609aa6266cb2d8d1a0b71",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-07-18T12:01:36Z",
    "title_canon_sha256": "7a584e0cfde91f891c487ef1e606f2f879c746b96a46d4b57809565d98cc09ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4352",
    "kind": "arxiv",
    "version": 1
  }
}