Pith Number

pith:CMFUTJX5

pith:2019:CMFUTJX5HNOLU7IW5ZWAHQCXFD

not attested not anchored not stored refs pending

Sub-damped Lyman alpha systems in the XQ-100 survey I -- Identification and contribution to the cosmological HI budget

Gabor Worseck, George D. Becker, Guido Cupani, Kelly D. Denney, Lise Christensen, Ruben Sanchez-Ramirez, Sara L. Ellison, Sebastian Lopez, Trystyn A. M. Berg, Valentina D'Odorico

arxiv:1907.07703 v1 · 2019-07-17 · 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{CMFUTJX5HNOLU7IW5ZWAHQCXFD}

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	2026-07-04T23:50:21.326991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

130b49a6fd3b5cba7d16ee6c03c05728cf532618658ffa9c1b4ebac498943dcf

Aliases

arxiv: 1907.07703 · arxiv_version: 1907.07703v1 · doi: 10.48550/arxiv.1907.07703 · pith_short_12: CMFUTJX5HNOL · pith_short_16: CMFUTJX5HNOLU7IW · pith_short_8: CMFUTJX5

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/CMFUTJX5HNOLU7IW5ZWAHQCXFD \
  | 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: 130b49a6fd3b5cba7d16ee6c03c05728cf532618658ffa9c1b4ebac498943dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80919ed53b374119c859bca00258e5047c0351bead2027752ef3bd842688beca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-17T18:17:24Z",
    "title_canon_sha256": "eba22bab77945156dd3077da144390d2b2eb81695ea10756d0704d893886c95f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07703",
    "kind": "arxiv",
    "version": 1
  }
}