Pith Number

pith:E4SQYZNZ

pith:2011:E4SQYZNZRFHRMIXKGUS456IERK

not attested not anchored not stored refs pending

A Planet of an A-Star: HD15082b

A.C. Cameron, B. Smalley, E.W. Guenther, F. Rodler, R. Rebolo

arxiv:1102.0500 v1 · 2011-02-02 · 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{E4SQYZNZRFHRMIXKGUS456IERK}

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	2026-05-18T04:25:10.845659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27250c65b9894f1622ea3525cef9048a9e7237cc36084c4af36d36ac61bdac24

Aliases

arxiv: 1102.0500 · arxiv_version: 1102.0500v1 · doi: 10.48550/arxiv.1102.0500 · pith_short_12: E4SQYZNZRFHR · pith_short_16: E4SQYZNZRFHRMIXK · pith_short_8: E4SQYZNZ

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/E4SQYZNZRFHRMIXKGUS456IERK \
  | 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: 27250c65b9894f1622ea3525cef9048a9e7237cc36084c4af36d36ac61bdac24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffc99ac74ea70a364232befb4be7f810a90cafcdc5912efcee0980aee255da98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-02T17:31:35Z",
    "title_canon_sha256": "c91180058b16800e63052cd98a1b5c6a5233d827829474b4e36700d0bcae1914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.0500",
    "kind": "arxiv",
    "version": 1
  }
}