Pith Number

pith:SUN6SR33

pith:2007:SUN6SR33BD7TYC47XTULEP3IPW

not attested not anchored not stored refs pending

On variability and spectral distortion of the fluorescent iron lines from black-hole accretion discs

A. Niedzwiecki, P. T. Zycki

arxiv:0710.5578 v2 · 2007-10-30 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SUN6SR33BD7TYC47XTULEP3IPW}

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	2026-05-18T01:19:48.999070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

951be9477b08ff3c0b9fbce8b23f687da761d1e0380c4f69203a699fe84b8787

Aliases

arxiv: 0710.5578 · arxiv_version: 0710.5578v2 · doi: 10.48550/arxiv.0710.5578 · pith_short_12: SUN6SR33BD7T · pith_short_16: SUN6SR33BD7TYC47 · pith_short_8: SUN6SR33

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/SUN6SR33BD7TYC47XTULEP3IPW \
  | 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: 951be9477b08ff3c0b9fbce8b23f687da761d1e0380c4f69203a699fe84b8787

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51dfea4b13922e9d6f10daf48217ab68331772955b75f542f9812bf3ad09a955",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-30T19:58:04Z",
    "title_canon_sha256": "9e0d04b6081b7ab75384da2784aaf67636b76fba3e98596c4e16d887d7811715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.5578",
    "kind": "arxiv",
    "version": 2
  }
}