Pith Number

pith:2LP63AU5

pith:2012:2LP63AU523HU3YTEPXATRWE7L6

not attested not anchored not stored refs pending

Constraining Variable High Velocity Winds from Broad Absorption Line Quasars with Multi-Epoch Spectroscopy

(2) New Mexico State U., (3) Harvard-Smithsonian CfA, (4) U. of Washington), Daryl Haggard (1), Kenza S. Arraki (2), Paul J. Green (3), Scott F. Anderson (4) ((1) CIERA/Northwestern U., Tom Aldcroft (3)

arxiv:1201.2895 v1 · 2012-01-13 · 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{2LP63AU523HU3YTEPXATRWE7L6}

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	2026-05-18T04:04:42.961010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dfed829dd6cf4de2647dc138d89f5fbfdf743c64e3b329092d36dcca45d579

Aliases

arxiv: 1201.2895 · arxiv_version: 1201.2895v1 · doi: 10.48550/arxiv.1201.2895 · pith_short_12: 2LP63AU523HU · pith_short_16: 2LP63AU523HU3YTE · pith_short_8: 2LP63AU5

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/2LP63AU523HU3YTEPXATRWE7L6 \
  | 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: d2dfed829dd6cf4de2647dc138d89f5fbfdf743c64e3b329092d36dcca45d579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "754ab2243bc0ee84d9128b5f12db1cf815862ff3281c7ebbe71232d3a820cc7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-13T17:02:40Z",
    "title_canon_sha256": "51658e939746f4114c4306e7ed40261f15062300e2c9a23d4534405514e1fdda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2895",
    "kind": "arxiv",
    "version": 1
  }
}