Pith Number

pith:MTDVEMX4

pith:2017:MTDVEMX464UCUZ4RGD64UL4ZZI

not attested not anchored not stored refs pending

Detectability of 21cm-signal during the Epoch of Reionization with 21cm-Lyman-{\alpha} emitter cross-correlation. II. Foreground contamination

J. L. B. Line, K. Hasegawa, K. Kubota, K. Takahashi, S. Yoshiura

arxiv:1709.04168 v4 · 2017-09-13 · 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{MTDVEMX464UCUZ4RGD64UL4ZZI}

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	2026-05-18T00:10:04.030747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64c75232fcf7282a679130fdca2f99ca29b957bbcfde32e0c559ed5fbd9b635e

Aliases

arxiv: 1709.04168 · arxiv_version: 1709.04168v4 · doi: 10.48550/arxiv.1709.04168 · pith_short_12: MTDVEMX464UC · pith_short_16: MTDVEMX464UCUZ4R · pith_short_8: MTDVEMX4

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/MTDVEMX464UCUZ4RGD64UL4ZZI \
  | 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: 64c75232fcf7282a679130fdca2f99ca29b957bbcfde32e0c559ed5fbd9b635e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e271a3389fbc8e3e2ed8fab2eb86298f68ba9fc64f75f112ed0356bff74e5f2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-13T07:30:08Z",
    "title_canon_sha256": "be8da5cec9e432334f43ed85b333a60c9033c4f3d36c1b245f3f53353571def2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04168",
    "kind": "arxiv",
    "version": 4
  }
}