Pith Number

pith:XDDY62LF

pith:2001:XDDY62LFGEP6KDG4DKCHLB5RG6

not attested not anchored not stored refs pending

The Spectral Energy Distribution of the Seyfert galaxy Ton S180

D.Alloin, D Lazzaro, D.M.Crenshaw, G.Kriss, I.M.George, J.D.Pritchard, J.Storm, J.Wang, L.Da Silva, N.R.Collins, P.Dobbie, P.Romano, S.B.Kraemer, S.Mathur, T.J.Turner, T.Yaqoob, W.Zheng

arxiv:astro-ph/0111514 v1 · 2001-11-27 · 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{XDDY62LFGEP6KDG4DKCHLB5RG6}

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	2026-07-04T16:24:32.297398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c78f6965311fe50cdc1a847587b1379b7e0958534e1206a14dace495ff6209

Aliases

arxiv: astro-ph/0111514 · arxiv_version: astro-ph/0111514v1 · doi: 10.48550/arxiv.astro-ph/0111514 · pith_short_12: XDDY62LFGEP6 · pith_short_16: XDDY62LFGEP6KDG4 · pith_short_8: XDDY62LF

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/XDDY62LFGEP6KDG4DKCHLB5RG6 \
  | 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: b8c78f6965311fe50cdc1a847587b1379b7e0958534e1206a14dace495ff6209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9329f90fc76f971b2d0b3f8630956c008ba85ffcdf036b09f6bc99357ecec147",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-27T21:33:41Z",
    "title_canon_sha256": "e2c1ad191a518d641e196acc03d276d10e8404bcc3ac396944959e57f7af84f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111514",
    "kind": "arxiv",
    "version": 1
  }
}