Pith Number

pith:JF4PIFML

pith:2007:JF4PIFMLZWBCM5GEMAEU4QMDYN

not attested not anchored not stored refs pending

AGN Reddening and Ultraviolet Extinction Curves from Hubble Space Telescope Spectra

A. J. Benker, C. Martin Gaskell

arxiv:0711.1013 v1 · 2007-11-07 · 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{JF4PIFMLZWBCM5GEMAEU4QMDYN}

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.

Cited by

2 papers in Pith

Disk reflection as the origin of the X-ray polarization of NGC 4151 with IXPE

Kinematic Stratification in Extremely Red Quasars Revealed by JWST

Receipt and verification

First computed	2026-07-04T15:05:27.909380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4978f4158bcd822674c460094e4183c37f6bd761024999be3379b76003290d5f

Aliases

arxiv: 0711.1013 · arxiv_version: 0711.1013v1 · doi: 10.48550/arxiv.0711.1013 · pith_short_12: JF4PIFMLZWBC · pith_short_16: JF4PIFMLZWBCM5GE · pith_short_8: JF4PIFML

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/JF4PIFMLZWBCM5GEMAEU4QMDYN \
  | 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: 4978f4158bcd822674c460094e4183c37f6bd761024999be3379b76003290d5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3bcb7b61a389c091a65ad802f08adfa4953048473ff9927e192b8cd832deca2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-07T08:08:51Z",
    "title_canon_sha256": "e8b23e42b05fcc95faf8fd72b923c0012ba93a685204befa782f8b899a7c13d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1013",
    "kind": "arxiv",
    "version": 1
  }
}