Pith Number

pith:64GAF2HW

pith:2009:64GAF2HW52TUUZNKUL34MPYVUW

not attested not anchored not stored refs pending

High Velocity Outflows in Narrow Absorption Line Quasars

D. Tytler, F. Hamann, G. Chartas, J. Charlton, M. Eracleous, M. Giustini, P. Rodriguez Hidalgo, R. Ganguly, T. Misawa

arxiv:0907.3464 v1 · 2009-07-20 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{64GAF2HW52TUUZNKUL34MPYVUW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:12:55.455677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f70c02e8f6eea74a65aaa2f7c63f15a58acd20dec6751892b5bfa588cec668a9

Aliases

arxiv: 0907.3464 · arxiv_version: 0907.3464v1 · doi: 10.48550/arxiv.0907.3464 · pith_short_12: 64GAF2HW52TU · pith_short_16: 64GAF2HW52TUUZNK · pith_short_8: 64GAF2HW

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/64GAF2HW52TUUZNKUL34MPYVUW \
  | 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: f70c02e8f6eea74a65aaa2f7c63f15a58acd20dec6751892b5bfa588cec668a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a88ea46c40186b3a316fdd3f1e8bc18dea1950abb5973e7c2ff6c00facf593",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-20T19:35:01Z",
    "title_canon_sha256": "085e10ab91479153ce146291ee01534ba450b72d7381ff8a21bc1d9dd7dd9826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3464",
    "kind": "arxiv",
    "version": 1
  }
}