Pith Number

pith:VZ2VPPHJ

pith:2012:VZ2VPPHJ3KI5ZWEDUIZR4DRQ3K

not attested not anchored not stored refs pending

An absorption-selected survey of neutral gas in the Milky Way halo

B. Winkel, J. Kerp, M. T. Murphy, N. Ben Bekhti, P. Richter, U. Klein

arxiv:1203.5603 v1 · 2012-03-26 · 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{VZ2VPPHJ3KI5ZWEDUIZR4DRQ3K}

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	2026-05-18T01:58:01.902915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7557bce9da91dcd883a2331e0e30daab24bdd846242a0c5d2f9dd9aaae5181

Aliases

arxiv: 1203.5603 · arxiv_version: 1203.5603v1 · doi: 10.48550/arxiv.1203.5603 · pith_short_12: VZ2VPPHJ3KI5 · pith_short_16: VZ2VPPHJ3KI5ZWED · pith_short_8: VZ2VPPHJ

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/VZ2VPPHJ3KI5ZWEDUIZR4DRQ3K \
  | 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: ae7557bce9da91dcd883a2331e0e30daab24bdd846242a0c5d2f9dd9aaae5181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ec249cd5fa177f53e39da975ff0e8a793bab11c70a89de6db451372b30a5ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-03-26T08:57:45Z",
    "title_canon_sha256": "aaeb992772c708bba73eddee1c1cb4f9cd6c53b81285beb317f5381458348832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5603",
    "kind": "arxiv",
    "version": 1
  }
}