Pith Number

pith:5R6CHCDC

pith:2019:5R6CHCDCZXEQPZ2CGVPXLGHOZY

not attested not anchored not stored refs pending

NASA Probe Study Report: Farside Array for Radio Science Investigations of the Dark ages and Exoplanets (FARSIDE)

Alex Austin, Andres Romero-Wolf, David Rapetti, Gregg Hallinan, Jack O. Burns, Jim Lux, Jonathan Pober, Jonathon Kocz, Jordan Mirocha, Judd Bowman, Justin Kasper, Lawrence Teitelbaum, Marin Anderson, Richard Bradley, Robert MacDowall, Steven Furlanetto, Tzu-Ching Chang, Wenbo Wu, Zhongwen Zhen

arxiv:1911.08649 v1 · 2019-11-20 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5R6CHCDCZXEQPZ2CGVPXLGHOZY}

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

Primordial black holes and the velocity acoustic oscillations features in 21 cm signals from the cosmic Dark Ages

Receipt and verification

First computed	2026-07-05T00:20:34.738611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7c238862cdc907e742355f7598eece2c174b3a3976823641f95e17d5155263

Aliases

arxiv: 1911.08649 · arxiv_version: 1911.08649v1 · doi: 10.48550/arxiv.1911.08649 · pith_short_12: 5R6CHCDCZXEQ · pith_short_16: 5R6CHCDCZXEQPZ2C · pith_short_8: 5R6CHCDC

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/5R6CHCDCZXEQPZ2CGVPXLGHOZY \
  | 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: ec7c238862cdc907e742355f7598eece2c174b3a3976823641f95e17d5155263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf236ea8e2da34aad19d7cabc025e9e9c1c7c15f9aeadd348c6a8b9e7867d9e6",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-20T00:50:28Z",
    "title_canon_sha256": "ca518b5feaa470a6fe908b1ed99577bba267f8e9d29b43449f8a152382682f2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08649",
    "kind": "arxiv",
    "version": 1
  }
}