Pith Number

pith:XBNFZK56

pith:2008:XBNFZK56RCL6PIX4ONFJAJPB45

not attested not anchored not stored refs pending

The PN.S Elliptical Galaxy Survey: the dark matter in NGC 4494

A. Cortesi, A.J. Romanowsky, E. Noordermeer, E. O'Sullivan, F. De Lorenzi, K.C. Freeman, K. Kuijken, L. Coccato, M. Arnaboldi, M. Capaccioli, M.R. Merrifield, N.G. Douglas, N.R. Napolitano, O. Gerhard, P. Das

arxiv:0810.1291 v1 · 2008-10-08 · 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{XBNFZK56RCL6PIX4ONFJAJPB45}

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	2026-07-04T15:37:55.797135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b85a5cabbe8897e7a2fc734a9025e1e77b27825c51fbc38d57926076edde9ea3

Aliases

arxiv: 0810.1291 · arxiv_version: 0810.1291v1 · doi: 10.48550/arxiv.0810.1291 · pith_short_12: XBNFZK56RCL6 · pith_short_16: XBNFZK56RCL6PIX4 · pith_short_8: XBNFZK56

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/XBNFZK56RCL6PIX4ONFJAJPB45 \
  | 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: b85a5cabbe8897e7a2fc734a9025e1e77b27825c51fbc38d57926076edde9ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a13928abf46a519ad8f100500b1164d44c4e33dd378625799bcd038de81943e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-08T06:14:49Z",
    "title_canon_sha256": "95c15f73c17910e09f200fbd02be23a736e117c1b19c8f36657c1a25e5d4b2c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.1291",
    "kind": "arxiv",
    "version": 1
  }
}