Pith Number

pith:UG45YCB2

pith:2011:UG45YCB2TQ2XUAF5WZ4KF32LZW

not attested not anchored not stored refs pending

A Physical Model of FeLoBALs: Implications for Quasar Feedback

(2) CITA), C.-A. Faucher-Giguere (1), E. Quataert (1), N. Murray (2) ((1) UC Berkeley

arxiv:1108.0413 v2 · 2011-08-01 · astro-ph.CO · 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{UG45YCB2TQ2XUAF5WZ4KF32LZW}

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	2026-05-18T02:01:04.684987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b9dc083a9c357a00bdb678a2ef4bcdb0414adc5a19334471f340c6ac4c730d

Aliases

arxiv: 1108.0413 · arxiv_version: 1108.0413v2 · doi: 10.48550/arxiv.1108.0413 · pith_short_12: UG45YCB2TQ2X · pith_short_16: UG45YCB2TQ2XUAF5 · pith_short_8: UG45YCB2

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/UG45YCB2TQ2XUAF5WZ4KF32LZW \
  | 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: a1b9dc083a9c357a00bdb678a2ef4bcdb0414adc5a19334471f340c6ac4c730d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4129eccd9075f196acd153a8c9c82cfae7d72f44c371c21882194324ef534e1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-01T20:00:02Z",
    "title_canon_sha256": "42c4260d94d9d1f594706221f8bf1765ed1e029de638411983e23e704ec29b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0413",
    "kind": "arxiv",
    "version": 2
  }
}