Pith Number

pith:U4HZWM52

pith:2012:U4HZWM52IGUQM75IOZ36MGJOZM

not attested not anchored not stored refs pending

Venus transit, aureole and solar diameter

Costantino Sigismondi, Paolo Tanga, Wenbin Xie, Xiaofan Wang

arxiv:1210.8451 v1 · 2012-10-31 · astro-ph.SR · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4HZWM52IGUQM75IOZ36MGJOZM}

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	2026-05-18T01:53:27.414106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a70f9b33ba41a9067fa87677e6192ecb0b2491670b0d92f97c4e0662b6ee8f13

Aliases

arxiv: 1210.8451 · arxiv_version: 1210.8451v1 · doi: 10.48550/arxiv.1210.8451 · pith_short_12: U4HZWM52IGUQ · pith_short_16: U4HZWM52IGUQM75I · pith_short_8: U4HZWM52

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/U4HZWM52IGUQM75IOZ36MGJOZM \
  | 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: a70f9b33ba41a9067fa87677e6192ecb0b2491670b0d92f97c4e0662b6ee8f13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60613da019fb28050035052adcab3f8dd09c266800331d378590887a17690b3",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-31T19:47:34Z",
    "title_canon_sha256": "f1a0825459c663a68f42aae45f4cc01f75f13171b0e69019df99a1a6ad16dd24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.8451",
    "kind": "arxiv",
    "version": 1
  }
}