Pith Number

pith:NYGR7QQA

pith:2017:NYGR7QQAGEGOC2QC33A5LJCT53

not attested not anchored not stored refs pending

The Statistical Properties of Neutral Gas at z<1.65 from UV Measurements of Damped Lyman Alpha Systems

David A. Turnshek, Eric M. Monier, Gendith M. Sardane, Sandhya M. Rao

arxiv:1704.01634 v1 · 2017-04-05 · 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{NYGR7QQAGEGOC2QC33A5LJCT53}

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	2026-05-18T00:37:18.436447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e0d1fc200310ce16a02dec1d5a453eeca238da385910ffb511e0abb9ff0ed10

Aliases

arxiv: 1704.01634 · arxiv_version: 1704.01634v1 · doi: 10.48550/arxiv.1704.01634 · pith_short_12: NYGR7QQAGEGO · pith_short_16: NYGR7QQAGEGOC2QC · pith_short_8: NYGR7QQA

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/NYGR7QQAGEGOC2QC33A5LJCT53 \
  | 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: 6e0d1fc200310ce16a02dec1d5a453eeca238da385910ffb511e0abb9ff0ed10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12909252799bf388ddc25f36eeedf2b6a8b01f222982d7833d2c2f4cf696529e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-04-05T19:57:16Z",
    "title_canon_sha256": "e1d6bb38a5b886232e3df877a135f6167fd1cfcc08a8807a4c195fb1ac21a246"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01634",
    "kind": "arxiv",
    "version": 1
  }
}