Pith Number

pith:NBNULXC2

pith:2011:NBNULXC2UMZX6CR3ZGXDQOLSWV

not attested not anchored not stored refs pending

Metal accretion onto white dwarfs caused by Poynting-Robertson drag on their debris disks

Roman R. Rafikov (Princeton)

arxiv:1102.3153 v1 · 2011-02-15 · astro-ph.EP · 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{NBNULXC2UMZX6CR3ZGXDQOLSWV}

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	2026-05-18T02:03:10.760556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685b45dc5aa3337f0a3bc9ae383972b56ad48d0d9e19afada1323ec71fe759d6

Aliases

arxiv: 1102.3153 · arxiv_version: 1102.3153v1 · doi: 10.48550/arxiv.1102.3153 · pith_short_12: NBNULXC2UMZX · pith_short_16: NBNULXC2UMZX6CR3 · pith_short_8: NBNULXC2

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/NBNULXC2UMZX6CR3ZGXDQOLSWV \
  | 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: 685b45dc5aa3337f0a3bc9ae383972b56ad48d0d9e19afada1323ec71fe759d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181494a5887b5ca182ed7f5d35b7d6551e4a6eee1bbf392862e7616f9916ee7c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-15T18:38:41Z",
    "title_canon_sha256": "c620d588f7c80ff8622a3bab0a8cac4fcd719dcbff715137052856793fe14518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3153",
    "kind": "arxiv",
    "version": 1
  }
}