Pith Number

pith:5CAQ3OBK

pith:2015:5CAQ3OBKIVH2U4YA6VOLATP33V

not attested not anchored not stored refs pending

Supernova Feedback and the Hot Gas Filling Fraction of the Interstellar Medium

Greg L. Bryan, Jeremiah P. Ostriker, Miao Li, Renyue Cen, Thorsten Naab

arxiv:1506.07180 v2 · 2015-06-23 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5CAQ3OBKIVH2U4YA6VOLATP33V}

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	2026-05-18T01:26:42.553862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8810db82a454faa7300f55cb04dfbdd4a0790047dca3547d06fa2c35030c33b

Aliases

arxiv: 1506.07180 · arxiv_version: 1506.07180v2 · doi: 10.48550/arxiv.1506.07180 · pith_short_12: 5CAQ3OBKIVH2 · pith_short_16: 5CAQ3OBKIVH2U4YA · pith_short_8: 5CAQ3OBK

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/5CAQ3OBKIVH2U4YA6VOLATP33V \
  | 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: e8810db82a454faa7300f55cb04dfbdd4a0790047dca3547d06fa2c35030c33b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b79467a099a079cf38b39b49853cbfa54c2569dc9525b7c2de339aec2bbf91",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-23T20:01:10Z",
    "title_canon_sha256": "2d9c106096834e95a885332c24b1302224d0968141d96144a537ce1fc3088420"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07180",
    "kind": "arxiv",
    "version": 2
  }
}