Pith Number

pith:QZH6MKHG

pith:2017:QZH6MKHGEI6VIOWBXSC3U2YXYC

not attested not anchored not stored refs pending

A New Method to Measure the Post-Reionization Ionizing Background from the Joint Distribution of Lyman-$\alpha$ and Lyman-$\beta$ Forest Transmission

Anna-Christina Eilers, Frederick B. Davies, Joseph F. Hennawi, Zarija Luki\'c

arxiv:1703.10174 v1 · 2017-03-29 · 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{QZH6MKHGEI6VIOWBXSC3U2YXYC}

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	2026-05-18T00:20:07.094078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864fe628e6223d543ac1bc85ba6b17c09d68ef2fff4ba1cbaecf190b37d8cd2a

Aliases

arxiv: 1703.10174 · arxiv_version: 1703.10174v1 · doi: 10.48550/arxiv.1703.10174 · pith_short_12: QZH6MKHGEI6V · pith_short_16: QZH6MKHGEI6VIOWB · pith_short_8: QZH6MKHG

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/QZH6MKHGEI6VIOWBXSC3U2YXYC \
  | 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: 864fe628e6223d543ac1bc85ba6b17c09d68ef2fff4ba1cbaecf190b37d8cd2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a38c7d7216701423be4f876399d3707fdc37ace72a7fe17b445bf6c1211f717f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-03-29T18:00:10Z",
    "title_canon_sha256": "1515f0655281a592cacf8299e8b8a3ea5b3c0e14e2471ab27caff52918b6e611"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10174",
    "kind": "arxiv",
    "version": 1
  }
}