Pith Number

pith:IPFU5BTB

pith:2005:IPFU5BTBSFGX73HF45VKPMAH6P

not attested not anchored not stored refs pending

Origin of the Joint Distribution of Structural Parameters in Disc Galaxies

Aaron A. Dutton (ETH), Avishai Dekel (HU), Frank C. van den Bosch (ETH), Stephane Courteau (Queen's)

arxiv:astro-ph/0501256 v1 · 2005-01-13 · 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{IPFU5BTBSFGX73HF45VKPMAH6P}

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	2026-05-18T02:40:25.922299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43cb4e8661914d7fece5e76aa7b007f3d30e22fd7aa3ef993f27d985186bc2af

Aliases

arxiv: astro-ph/0501256 · arxiv_version: astro-ph/0501256v1 · doi: 10.48550/arxiv.astro-ph/0501256 · pith_short_12: IPFU5BTBSFGX · pith_short_16: IPFU5BTBSFGX73HF · pith_short_8: IPFU5BTB

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/IPFU5BTBSFGX73HF45VKPMAH6P \
  | 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: 43cb4e8661914d7fece5e76aa7b007f3d30e22fd7aa3ef993f27d985186bc2af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26cbae727755e8dee661fd8e5b43cb19798c6d492d06f5028ef0f68249ad0346",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-13T14:37:33Z",
    "title_canon_sha256": "324ef939fad3bb2aa985cf7d6dea2ae93004d7e46c9049f8a1b2fd7ae6fa094e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501256",
    "kind": "arxiv",
    "version": 1
  }
}