Pith Number

pith:7IIFH4L5

pith:2014:7IIFH4L56D3SDCLYUFHTAVPRL2

not attested not anchored not stored refs pending

Measuring the 21 cm Global Brightness Temperature Spectrum During the Dark Ages with the SCI-HI Experiment

Aravind Natarajan, Jeffrey B. Peterson, Jose Miguel Jaregui Garcia, Omar Lopez-Cruz, Tabitha C. Voytek

arxiv:1409.2774 v1 · 2014-09-09 · astro-ph.IM · 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{7IIFH4L56D3SDCLYUFHTAVPRL2}

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.

Cited by

1 paper in Pith

Discovering the Sky at the Longest Wavelengths with Small Satellite Constellations

Receipt and verification

First computed	2026-05-18T02:43:09.819497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa1053f17df0f7218978a14f3055f15ebbb17c0d5496f776498823dfeaf0b1fd

Aliases

arxiv: 1409.2774 · arxiv_version: 1409.2774v1 · doi: 10.48550/arxiv.1409.2774 · pith_short_12: 7IIFH4L56D3S · pith_short_16: 7IIFH4L56D3SDCLY · pith_short_8: 7IIFH4L5

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/7IIFH4L56D3SDCLYUFHTAVPRL2 \
  | 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: fa1053f17df0f7218978a14f3055f15ebbb17c0d5496f776498823dfeaf0b1fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f640b7292745f4b16924195e356f098cac4d708ce4c3fb67c3ba103eaa1fc0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-09-09T15:20:40Z",
    "title_canon_sha256": "f9c33064c8dbab6495dd9c8f5e2da219128805e9dfc29d9b1d806c507109a0c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2774",
    "kind": "arxiv",
    "version": 1
  }
}