Pith Number

pith:UIM73XL3

pith:2013:UIM73XL373AZSIYHJ6XBWS4E26

not attested not anchored not stored refs pending

Exponential Galaxy Disks from Stellar Scattering

Bruce G. Elmegreen, Curtis Struck

arxiv:1308.5236 v1 · 2013-08-23 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIM73XL373AZSIYHJ6XBWS4E26}

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	2026-05-18T01:47:59.036269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a219fddd7bfec19923074fae1b4b84d7894426cfabdff2dec5f18847639a619d

Aliases

arxiv: 1308.5236 · arxiv_version: 1308.5236v1 · doi: 10.48550/arxiv.1308.5236 · pith_short_12: UIM73XL373AZ · pith_short_16: UIM73XL373AZSIYH · pith_short_8: UIM73XL3

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/UIM73XL373AZSIYHJ6XBWS4E26 \
  | 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: a219fddd7bfec19923074fae1b4b84d7894426cfabdff2dec5f18847639a619d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f5e06f2383a66505c2a2f52e19fdc6058b6ac00033a47e7aae87fe0e143dbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-08-23T20:16:27Z",
    "title_canon_sha256": "f3513811c8538bfa7abac00c17024f89fd93d3ad91c9c76555d8a954af90baad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5236",
    "kind": "arxiv",
    "version": 1
  }
}