Pith Number

pith:U6UXWJIL

pith:2010:U6UXWJILLXPVO7CO26NSMQ65OU

not attested not anchored not stored refs pending

Dynamical friction of massive objects in galactic centres

A. Ernst, A. Just, F. M. Khan, P. Berczik, R. Spurzem

arxiv:1009.2455 v1 · 2010-09-13 · 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{U6UXWJILLXPVO7CO26NSMQ65OU}

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	2026-05-18T04:30:25.835856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a97b250b5ddf577c4ed79b2643dd7511a12542d8ebb1997dc83b6781589f5d

Aliases

arxiv: 1009.2455 · arxiv_version: 1009.2455v1 · doi: 10.48550/arxiv.1009.2455 · pith_short_12: U6UXWJILLXPV · pith_short_16: U6UXWJILLXPVO7CO · pith_short_8: U6UXWJIL

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/U6UXWJILLXPVO7CO26NSMQ65OU \
  | 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: a7a97b250b5ddf577c4ed79b2643dd7511a12542d8ebb1997dc83b6781589f5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade2fea1827ff7340e6ee4d917dd365755a634489591ddcdd0eb5ccc9f5e46a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-13T17:13:11Z",
    "title_canon_sha256": "11eafaf96dd500d0ac6f474c028b49ebbd32755b5a0847ef9b2078215e3dfcc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2455",
    "kind": "arxiv",
    "version": 1
  }
}