Pith Number

pith:FJY52MFQ

pith:2009:FJY52MFQN6QKNNF3N4RT636RNV

not attested not anchored not stored refs pending

An accretion disc origin for the `X-ray broad line region' in 1H0707-495

A. C. Fabian (1) ((1) IoA, A. J. Blustin (1), Cambridge)

arxiv:0908.3457 v1 · 2009-08-24 · astro-ph.HE · 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{FJY52MFQN6QKNNF3N4RT636RNV}

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	2026-05-18T02:12:23.526836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a71dd30b06fa0a6b4bb6f233f6fd16d7f8acb746e9ca9b48d3333194e3caad7

Aliases

arxiv: 0908.3457 · arxiv_version: 0908.3457v1 · doi: 10.48550/arxiv.0908.3457 · pith_short_12: FJY52MFQN6QK · pith_short_16: FJY52MFQN6QKNNF3 · pith_short_8: FJY52MFQ

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/FJY52MFQN6QKNNF3N4RT636RNV \
  | 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: 2a71dd30b06fa0a6b4bb6f233f6fd16d7f8acb746e9ca9b48d3333194e3caad7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd5762db42c21ce1c8704ab1d63618e30f88bd7aff4e25a101f99d47e88ffbd4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-24T16:01:26Z",
    "title_canon_sha256": "c3b0728d73bd333139b32d4d2b27b398b533cd00735b74a28bcba03c3c1c4790"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3457",
    "kind": "arxiv",
    "version": 1
  }
}