Pith Number

pith:7WK6MO6N

pith:2007:7WK6MO6N65JNFWBCY76M4ZNO2I

not attested not anchored not stored refs pending

GHASP : an H alpha kinematic survey of spiral and irregular galaxies. V. Dark matter distribution in 36 nearby spiral galaxies

B. Epinat, C. Carignan, M. Marcelin, M. Spano, O. Hernandez, P. Amram

arxiv:0710.1345 v1 · 2007-10-06 · 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{7WK6MO6N65JNFWBCY76M4ZNO2I}

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	2026-07-04T17:06:02.505710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd95e63bcdf752d2d822c7fcce65aed23bd5bdcb6ec7d6140bdbcbcaf7a5f57f

Aliases

arxiv: 0710.1345 · arxiv_version: 0710.1345v1 · doi: 10.48550/arxiv.0710.1345 · pith_short_12: 7WK6MO6N65JN · pith_short_16: 7WK6MO6N65JNFWBC · pith_short_8: 7WK6MO6N

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/7WK6MO6N65JNFWBCY76M4ZNO2I \
  | 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: fd95e63bcdf752d2d822c7fcce65aed23bd5bdcb6ec7d6140bdbcbcaf7a5f57f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01915cd1191e73c732508719938b18b1377f73f24e3742e681f5f7fd255dd80a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-06T08:13:49Z",
    "title_canon_sha256": "71533a5c4fefacc0d2fdec84258b7b8b3854537295d5a6d1587e1096448c0dc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.1345",
    "kind": "arxiv",
    "version": 1
  }
}