Pith Number

pith:KIJ3TJME

pith:2011:KIJ3TJMEWDHW53DBKHM6GBDMQD

not attested not anchored not stored refs pending

The partial asteroidal occultation of Betelgeuse on Jan 2, 2012

Costantino Sigismondi

arxiv:1112.6398 v1 · 2011-12-29 · astro-ph.SR · 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{KIJ3TJMEWDHW53DBKHM6GBDMQD}

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	2026-05-18T03:39:28.914576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5213b9a584b0cf6eec6151d9e3046c80c6861059a7f9f9cc09aa8bdb95888681

Aliases

arxiv: 1112.6398 · arxiv_version: 1112.6398v1 · doi: 10.48550/arxiv.1112.6398 · pith_short_12: KIJ3TJMEWDHW · pith_short_16: KIJ3TJMEWDHW53DB · pith_short_8: KIJ3TJME

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/KIJ3TJMEWDHW53DBKHM6GBDMQD \
  | 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: 5213b9a584b0cf6eec6151d9e3046c80c6861059a7f9f9cc09aa8bdb95888681

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51baf6ab675600f11dbd5670acbb43c18511d3d4ba62863682f1387829f4f335",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-29T19:49:53Z",
    "title_canon_sha256": "4bf82094fca4599199e7b5a98ee5473fb1e6a02dc327a547c49eccb092bce11f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6398",
    "kind": "arxiv",
    "version": 1
  }
}