Pith Number

pith:KKSHZ4QW

pith:2010:KKSHZ4QWKGAYDXCSARFJC4EM4P

not attested not anchored not stored refs pending

Doppler imaging of the helium-variable star a Cen

David A. Bohlender, J.B. Rice, P. Hechler

arxiv:1007.0977 v1 · 2010-07-06 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKSHZ4QWKGAYDXCSARFJC4EM4P}

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	2026-05-18T02:06:31.900912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52a47cf216518181dc52044a91708ce3ff5c952c50a6623127283c2fe80daf12

Aliases

arxiv: 1007.0977 · arxiv_version: 1007.0977v1 · doi: 10.48550/arxiv.1007.0977 · pith_short_12: KKSHZ4QWKGAY · pith_short_16: KKSHZ4QWKGAYDXCS · pith_short_8: KKSHZ4QW

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/KKSHZ4QWKGAYDXCSARFJC4EM4P \
  | 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: 52a47cf216518181dc52044a91708ce3ff5c952c50a6623127283c2fe80daf12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df79738565e9200f860bb9dab57cc9011df75281e132e22af65c049c59ccbf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-07-06T18:40:12Z",
    "title_canon_sha256": "3e52b6bfbdb2411a9d0dc3bb68dcf7253ddb708f91d4f3cb1f1ce654cd26f37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0977",
    "kind": "arxiv",
    "version": 1
  }
}