Pith Number

pith:ALCSBBKO

pith:2012:ALCSBBKOLOLYLVOYN4PX5PRLGE

not attested not anchored not stored refs pending

The Radius of Baryonic Collapse in Disc Galaxy Formation

Brandon Allgood, Joel R. Primack, Julien Devriendt, Roelof S. de Jong, S. Michael Fall, Susan A. Kassin

arxiv:1205.0253 v1 · 2012-05-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALCSBBKOLOLYLVOYN4PX5PRLGE}

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	2026-05-18T01:57:39.263378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02c520854e5b9785d5d86f1f7ebe2b3114799d3a75d0b5ac596bbb8b0586d10e

Aliases

arxiv: 1205.0253 · arxiv_version: 1205.0253v1 · doi: 10.48550/arxiv.1205.0253 · pith_short_12: ALCSBBKOLOLY · pith_short_16: ALCSBBKOLOLYLVOY · pith_short_8: ALCSBBKO

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/ALCSBBKOLOLYLVOYN4PX5PRLGE \
  | 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: 02c520854e5b9785d5d86f1f7ebe2b3114799d3a75d0b5ac596bbb8b0586d10e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f426c4b0f905d0f7664b6c77618d929b5ce7b60666f0dd00dd891cfc2496d4d2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-01T20:02:01Z",
    "title_canon_sha256": "24c6ffa9761eff8b05295c63a29599070f15103d46aecf53befea3090e82c15c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0253",
    "kind": "arxiv",
    "version": 1
  }
}