Pith Number

pith:5QT4THII

pith:2012:5QT4THIIUNV43VWX3ILR3RZB4G

not attested not anchored not stored refs pending

The HST/ACS+WFC3 Survey for Lyman Limit Systems II: Science

Gabor Worseck, Hsiao-Wen Chen, John M. O'Meara, J. Xavier Prochaska, Piero Madau

arxiv:1204.3093 v2 · 2012-04-13 · 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{5QT4THIIUNV43VWX3ILR3RZB4G}

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	2026-05-18T01:57:52.598949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec27c99d08a36bcdd6d7da171dc721e1b4658cdffc6d7bcf587903435f602fa5

Aliases

arxiv: 1204.3093 · arxiv_version: 1204.3093v2 · doi: 10.48550/arxiv.1204.3093 · pith_short_12: 5QT4THIIUNV4 · pith_short_16: 5QT4THIIUNV43VWX · pith_short_8: 5QT4THII

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/5QT4THIIUNV43VWX3ILR3RZB4G \
  | 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: ec27c99d08a36bcdd6d7da171dc721e1b4658cdffc6d7bcf587903435f602fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3b3979890fbafd4ed3cb1a04427e1f45f1ef0fafc5bdb33453b5b653ea8526d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-13T20:00:05Z",
    "title_canon_sha256": "90fc0806ec59df5ad4cf53f4418829682f5c530cdb66961101f32fdf8ce62a9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3093",
    "kind": "arxiv",
    "version": 2
  }
}