Pith Number

pith:FE5PMSCY

pith:1994:FE5PMSCY6XLUKYOPUY2VQAD344

not attested not anchored not stored refs pending

On the spin parameter of dark-matter haloes

Matthias Bartelmann, Matthias Steinmetz

arxiv:astro-ph/9403017 v1 · 1994-03-10 · 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{FE5PMSCY6XLUKYOPUY2VQAD344}

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	2026-05-18T01:40:26.263156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293af64858f5d74561cfa63558007be734fd6244ee91edd1009d9aa99b77969b

Aliases

arxiv: astro-ph/9403017 · arxiv_version: astro-ph/9403017v1 · doi: 10.48550/arxiv.astro-ph/9403017 · pith_short_12: FE5PMSCY6XLU · pith_short_16: FE5PMSCY6XLUKYOP · pith_short_8: FE5PMSCY

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/FE5PMSCY6XLUKYOPUY2VQAD344 \
  | 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: 293af64858f5d74561cfa63558007be734fd6244ee91edd1009d9aa99b77969b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0022b961f5bc65c4f98e0a379642cb387b1ccf55325d9106df8def697f253934",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1994-03-10T16:43:48Z",
    "title_canon_sha256": "b11644390984293bef602a657467d63fb7f9bce2ba6a318b3ca2b9efed102c02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9403017",
    "kind": "arxiv",
    "version": 1
  }
}