Pith Number

pith:HLBTRSVX

pith:2013:HLBTRSVXT3Q3ULDS3TVI26EU2W

not attested not anchored not stored refs pending

A measurement of galaxy halo mass from the surrounding HI Ly{\alpha} absorption

Charles C. Steidel, Claudio Dalla Vecchia, Craig Booth, Gwen C. Rudie, Joop Schaye, Olivera Rakic

arxiv:1306.1563 v1 · 2013-06-06 · 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{HLBTRSVXT3Q3ULDS3TVI26EU2W}

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	2026-05-18T01:49:31.798450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ac338cab79ee1ba2c72dcea8d7894d598fdc069acbb3f76271efa074f9ad2cb

Aliases

arxiv: 1306.1563 · arxiv_version: 1306.1563v1 · doi: 10.48550/arxiv.1306.1563 · pith_short_12: HLBTRSVXT3Q3 · pith_short_16: HLBTRSVXT3Q3ULDS · pith_short_8: HLBTRSVX

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/HLBTRSVXT3Q3ULDS3TVI26EU2W \
  | 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: 3ac338cab79ee1ba2c72dcea8d7894d598fdc069acbb3f76271efa074f9ad2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b81bdba2ca3d6d834f1f882802a1ab58f87d6b1321ce000965862bc6c2aed4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-06T21:48:33Z",
    "title_canon_sha256": "8538eebce762616d8f5a261a3a45f165469514c63e62992f28db251dbd387e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1563",
    "kind": "arxiv",
    "version": 1
  }
}