Pith Number

pith:YRAIA4VX

pith:2016:YRAIA4VXF5JBFFGMKED3RESI5M

not attested not anchored not stored refs pending

Galactic disc profiles and a universal angular momentum distribution from statistical physics

(2) IAS), Hans-Walter Rix (1) ((1) MPIA, Jakob Herpich (1), Scott Tremaine (2)

arxiv:1612.03171 v2 · 2016-12-09 · 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{YRAIA4VXF5JBFFGMKED3RESI5M}

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	2026-05-18T00:42:34.925165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4408072b72f521294cc5107b89248eb06e45f016c197eb1112cccf97a70baf6

Aliases

arxiv: 1612.03171 · arxiv_version: 1612.03171v2 · doi: 10.48550/arxiv.1612.03171 · pith_short_12: YRAIA4VXF5JB · pith_short_16: YRAIA4VXF5JBFFGM · pith_short_8: YRAIA4VX

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/YRAIA4VXF5JBFFGMKED3RESI5M \
  | 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: c4408072b72f521294cc5107b89248eb06e45f016c197eb1112cccf97a70baf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4166ef221949379eef42ad187d2d20ad031881925b9b1a5e8e436a209a3039e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-09T21:00:00Z",
    "title_canon_sha256": "aa1943c5f90d670dde398f3d87a5fa9d918fb5e180e1743d4f3721bda2b4a2d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03171",
    "kind": "arxiv",
    "version": 2
  }
}