Pith Number

pith:XRDC2ICB

pith:2008:XRDC2ICB6COSI7JJKQMWNBFR27

not attested not anchored not stored refs pending

Dynamical Centers and Non-Circular Motions in THINGS Galaxies: Implications for Dark Matter Halos

C. Trachternach, E. Brinks, F. Walter, R. C. Kennicutt Jr, W. J. G. de Blok

arxiv:0810.2116 v2 · 2008-10-12 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRDC2ICB6COSI7JJKQMWNBFR27}

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	2026-07-04T17:13:10.663810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc462d2041f09d247d2954196684b1d7e8963465c51af656d5038f3c739796b4

Aliases

arxiv: 0810.2116 · arxiv_version: 0810.2116v2 · doi: 10.48550/arxiv.0810.2116 · pith_short_12: XRDC2ICB6COS · pith_short_16: XRDC2ICB6COSI7JJ · pith_short_8: XRDC2ICB

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/XRDC2ICB6COSI7JJKQMWNBFR27 \
  | 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: bc462d2041f09d247d2954196684b1d7e8963465c51af656d5038f3c739796b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549797bc5a75006c8ec35070b252e8086ee53e1af72e1c99aa6a40b8e2180329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-12T17:22:40Z",
    "title_canon_sha256": "ce872290c4c5a1d29713961a8c0ace8626856a7b1b54cd23d45cb0c2ef66646b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2116",
    "kind": "arxiv",
    "version": 2
  }
}