Pith Number

pith:AZOZZQLO

pith:2015:AZOZZQLOWP5E26IQL2UHMYK2PX

not attested not anchored not stored refs pending

A hot bubble at the centre of M81

J.E. Steiner, L. Giansante, T.V. Ricci

arxiv:1502.06976 v1 · 2015-02-24 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZOZZQLOWP5E26IQL2UHMYK2PX}

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	2026-05-18T02:19:51.069814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

065d9cc16eb3fa4d79105ea876615a7dc0a3967c79661c908710a03cd6ace94d

Aliases

arxiv: 1502.06976 · arxiv_version: 1502.06976v1 · doi: 10.48550/arxiv.1502.06976 · pith_short_12: AZOZZQLOWP5E · pith_short_16: AZOZZQLOWP5E26IQ · pith_short_8: AZOZZQLO

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/AZOZZQLOWP5E26IQL2UHMYK2PX \
  | 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: 065d9cc16eb3fa4d79105ea876615a7dc0a3967c79661c908710a03cd6ace94d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "433b25014eada15916183c19b7eec8c0272d85e471cb29a24b43458f13f921db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-24T21:14:05Z",
    "title_canon_sha256": "e139bf7995234cf1f2d5c2a36623a36d512845f5b0e4676bda53a4d1be0815a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.06976",
    "kind": "arxiv",
    "version": 1
  }
}