Pith Number

pith:CFYKVJU4

pith:2009:CFYKVJU4HM3SDYBUVRWUKOY63D

not attested not anchored not stored refs pending

Radio constraints on the volume filling factors of AGN winds

A. C. Fabian (IoA, A. J. Blustin (IoA, Cambridge)

arxiv:0904.0209 v1 · 2009-04-01 · 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{CFYKVJU4HM3SDYBUVRWUKOY63D}

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	2026-05-18T02:14:08.269091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1170aaa69c3b3721e034ac6d453b1ed8f3ceaaacfb7e8571c77fafe29be84e60

Aliases

arxiv: 0904.0209 · arxiv_version: 0904.0209v1 · doi: 10.48550/arxiv.0904.0209 · pith_short_12: CFYKVJU4HM3S · pith_short_16: CFYKVJU4HM3SDYBU · pith_short_8: CFYKVJU4

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/CFYKVJU4HM3SDYBUVRWUKOY63D \
  | 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: 1170aaa69c3b3721e034ac6d453b1ed8f3ceaaacfb7e8571c77fafe29be84e60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cea40e46a558391c77b9a91af636b0927fc978bb9b9e2d98c4ada63da32411d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-01T16:34:39Z",
    "title_canon_sha256": "09a30d26de6316836a9f9b51950b13e5d034ba7b14c8e52f2a45d208f91097f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0209",
    "kind": "arxiv",
    "version": 1
  }
}