Pith Number

pith:5UDTCYEM

pith:2009:5UDTCYEMR3OHSI6VNC4OS65PIS

not attested not anchored not stored refs pending

Formation of Isolated Dwarf Galaxies with Feedback

Cecilia Scannapieco, Simon D.M. White (Max-Planck Institute for Astrophysics Garching), Till Sawala, Umberto Maio

arxiv:0902.1754 v2 · 2009-02-10 · 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{5UDTCYEMR3OHSI6VNC4OS65PIS}

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	2026-05-18T02:14:48.450510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0731608c8edc7923d568b8e97baf449eedf7c830a17157d20da73d6703f93e

Aliases

arxiv: 0902.1754 · arxiv_version: 0902.1754v2 · doi: 10.48550/arxiv.0902.1754 · pith_short_12: 5UDTCYEMR3OH · pith_short_16: 5UDTCYEMR3OHSI6V · pith_short_8: 5UDTCYEM

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/5UDTCYEMR3OHSI6VNC4OS65PIS \
  | 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: ed0731608c8edc7923d568b8e97baf449eedf7c830a17157d20da73d6703f93e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4141c4761fe8dfecc0c07681f8fc091d7b2694bb8a85cbb9a66835aca5bbb43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-10T21:01:11Z",
    "title_canon_sha256": "d413c82a9cd3f60936939f2ac7f9804e2296df99d8fd70225a72b16f157afa92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1754",
    "kind": "arxiv",
    "version": 2
  }
}