Pith Number

pith:XQKDQGH5

pith:1997:XQKDQGH5LTPO6GQYJ6CWWQNJCP

not attested not anchored not stored refs pending

Comment on the dispersion-velocity of galactic dark matter particles

C. Pichon (2) ((1) Observatoire Astronomique de Strasbourg, France (2) Astronomical Institute, O. Bienaym\'e (1), University of Basel Switzerland)

arxiv:astro-ph/9705210 v1 · 1997-05-27 · 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{XQKDQGH5LTPO6GQYJ6CWWQNJCP}

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	2026-05-18T04:21:40.418331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc143818fd5cdeef1a184f856b41a913e30e54e75aed462d4d1718a1dd5b19d3

Aliases

arxiv: astro-ph/9705210 · arxiv_version: astro-ph/9705210v1 · doi: 10.48550/arxiv.astro-ph/9705210 · pith_short_12: XQKDQGH5LTPO · pith_short_16: XQKDQGH5LTPO6GQY · pith_short_8: XQKDQGH5

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/XQKDQGH5LTPO6GQYJ6CWWQNJCP \
  | 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: bc143818fd5cdeef1a184f856b41a913e30e54e75aed462d4d1718a1dd5b19d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5bfde95fda1d3f8b7c90e74e7042b1e63ac37cbb092f073bd5c5d1114ca5e9d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-27T10:30:17Z",
    "title_canon_sha256": "c3d29d9ebee346187cbbe9d7ba88424bf4160419b9ab3aeab49d9bd58e62dff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705210",
    "kind": "arxiv",
    "version": 1
  }
}