Pith Number

pith:7JQOKZ2I

pith:2014:7JQOKZ2IXCT6RBI2BTWJU7CGK4

not attested not anchored not stored refs pending

The Dependence of C IV Broad Absorption Line Properties on Accompanying Si IV and Al III Absorption: Relating Quasar-Wind Ionization Levels, Kinematics, and Column Densities

Adam D. Myers, Don York, D. P. Schneider, F. Hamann, I. Paris, J. R. Trump, N. Filiz Ak, Nicholas P. Ross, P. B. Hall, P. Petitjean, S. F. Anderson, W. N. Brandt, Yue Shen

arxiv:1407.2250 v1 · 2014-07-08 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JQOKZ2IXCT6RBI2BTWJU7CGK4}

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	2026-05-18T01:42:40.700112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa60e56748b8a7e8851a0cec9a7c465711b1fff1f2fcceaa8c7739a6c27e3ce3

Aliases

arxiv: 1407.2250 · arxiv_version: 1407.2250v1 · doi: 10.48550/arxiv.1407.2250 · pith_short_12: 7JQOKZ2IXCT6 · pith_short_16: 7JQOKZ2IXCT6RBI2 · pith_short_8: 7JQOKZ2I

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/7JQOKZ2IXCT6RBI2BTWJU7CGK4 \
  | 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: fa60e56748b8a7e8851a0cec9a7c465711b1fff1f2fcceaa8c7739a6c27e3ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "792b05e64496bac6f628ccaf6d9980f3dc5ef9eb83cc2c53dca3de0b2b768d0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-08T20:00:09Z",
    "title_canon_sha256": "53a09e4536c643017da43b42f8c8664fe9069db109f722ebfdc30b139752a4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2250",
    "kind": "arxiv",
    "version": 1
  }
}