Pith Number

pith:PAJVXY4C

pith:1999:PAJVXY4CVBCIKLTV6TDB5UX5CL

not attested not anchored not stored refs pending

Is the exponential distribution a good approximation of dusty galactic disks?

A. Misiriotis, E. M. Xilouris, J. Papamastorakis, N. D. Kylafis

arxiv:astro-ph/9912018 v1 · 1999-12-01 · 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{PAJVXY4CVBCIKLTV6TDB5UX5CL}

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	2026-07-04T14:17:22.909175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78135be382a844852e75f4c61ed2fd12d07963505e056beefe3eae92e1459554

Aliases

arxiv: astro-ph/9912018 · arxiv_version: astro-ph/9912018v1 · doi: 10.48550/arxiv.astro-ph/9912018 · pith_short_12: PAJVXY4CVBCI · pith_short_16: PAJVXY4CVBCIKLTV · pith_short_8: PAJVXY4C

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/PAJVXY4CVBCIKLTV6TDB5UX5CL \
  | 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: 78135be382a844852e75f4c61ed2fd12d07963505e056beefe3eae92e1459554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd0bccdfa0ea7472f29c3c3791dcb6a7ed2d4772f0627d643e56afe31726aac7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-01T16:20:38Z",
    "title_canon_sha256": "1ca31ade05139e67c4b6915a51b243fa9ce0b798f8a53c23850aed4dbc8d3901"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912018",
    "kind": "arxiv",
    "version": 1
  }
}