Pith Number

pith:4TVLVILT

pith:2021:4TVLVILTG5OFTSLA5B6GZVRQQV

not attested not anchored not stored refs pending

Cosmic Near-infrared Background Tomography with SPHEREx Using Galaxy Cross-correlations

Tzu-Ching Chang, Yun-Ting Cheng

arxiv:2109.10914 v2 · 2021-09-22 · astro-ph.CO · 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{4TVLVILTG5OFTSLA5B6GZVRQQV}

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	2026-07-05T03:55:02.164978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4eabaa173375c59c960e87c6cd630857dd5f4e5a800b90021dff738f09126de

Aliases

arxiv: 2109.10914 · arxiv_version: 2109.10914v2 · doi: 10.48550/arxiv.2109.10914 · pith_short_12: 4TVLVILTG5OF · pith_short_16: 4TVLVILTG5OFTSLA · pith_short_8: 4TVLVILT

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/4TVLVILTG5OFTSLA5B6GZVRQQV \
  | 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: e4eabaa173375c59c960e87c6cd630857dd5f4e5a800b90021dff738f09126de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1570adb00dc962b3894d51e17ada1dda2e5c2a681579f07be2bc792df0adf8a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-22T18:00:01Z",
    "title_canon_sha256": "22efe6a544aa1da45a3a835db08a654b58bd0aa7c4e13c800f870565617ea3b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10914",
    "kind": "arxiv",
    "version": 2
  }
}