Pith Number

pith:GDUGJWT7

pith:2010:GDUGJWT7TVXTTI47ODPUVBQH7E

not attested not anchored not stored refs pending

Dwarf Galaxies in Voids: Dark Matter Halos and Gas Cooling

Matthias Hoeft (TLS), Stefan Gottloeber (AIP)

arxiv:1001.4721 v1 · 2010-01-26 · 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{GDUGJWT7TVXTTI47ODPUVBQH7E}

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	2026-05-18T02:09:29.727117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30e864da7f9d6f39a39f70df4a8607f906864de5943e7374c996e3919f044220

Aliases

arxiv: 1001.4721 · arxiv_version: 1001.4721v1 · doi: 10.48550/arxiv.1001.4721 · pith_short_12: GDUGJWT7TVXT · pith_short_16: GDUGJWT7TVXTTI47 · pith_short_8: GDUGJWT7

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/GDUGJWT7TVXTTI47ODPUVBQH7E \
  | 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: 30e864da7f9d6f39a39f70df4a8607f906864de5943e7374c996e3919f044220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2287e3cbe0d512fc0515aa4fb135e0d484093aa14031b45c4812833454b62e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-26T15:31:16Z",
    "title_canon_sha256": "c80b7052eecf4c20cb6e004f5173a1f6d7ac5531a8c9ac38e10363fa819030ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4721",
    "kind": "arxiv",
    "version": 1
  }
}