Pith Number

pith:BSQUPCUB

pith:2011:BSQUPCUBZPGP4Q3XKGPVA5TWPK

not attested not anchored not stored refs pending

Intergalactic Gas in Groups of Galaxies: Implications for Dwarf Spheroidal Formation and The Missing Baryons Problem

E. Freeland, E. Wilcots

arxiv:1107.0965 v1 · 2011-07-05 · 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{BSQUPCUBZPGP4Q3XKGPVA5TWPK}

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	2026-05-18T02:01:24.537049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca1478a81cbccfe4377519f5076767aa2c87ef33dacd2fed08e43027086cd3f

Aliases

arxiv: 1107.0965 · arxiv_version: 1107.0965v1 · doi: 10.48550/arxiv.1107.0965 · pith_short_12: BSQUPCUBZPGP · pith_short_16: BSQUPCUBZPGP4Q3X · pith_short_8: BSQUPCUB

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/BSQUPCUBZPGP4Q3XKGPVA5TWPK \
  | 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: 0ca1478a81cbccfe4377519f5076767aa2c87ef33dacd2fed08e43027086cd3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34acba63dbdee2b50ae0d6af81d3b3ddda916b838fd6e448b4e495839ff4383c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-05T19:57:04Z",
    "title_canon_sha256": "bcc81c9ee7d346a2b3950b2244c720cafba3220ff7a4944df63fdd45249fd2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0965",
    "kind": "arxiv",
    "version": 1
  }
}