Pith Number

pith:TY66SXPQ

pith:2022:TY66SXPQXBSWKRTO7DVTUXXC3Q

not attested not anchored not stored refs pending

Snowmass2021 Cosmic Frontier White Paper: 21cm Radiation as a Probe of Physics Across Cosmic Ages

Adrian Liu, An\v{z}e Slosar, Benjamin Saliwanchik, Laura Newburgh

arxiv:2203.07864 v1 · 2022-03-15 · astro-ph.CO · astro-ph.IM · hep-ex · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TY66SXPQXBSWKRTO7DVTUXXC3Q}

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	2026-07-05T04:13:13.423642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3de95df0b86565466ef8eb3a5ee2dc36fa01f4edb295b2d5f71580aea0b978

Aliases

arxiv: 2203.07864 · arxiv_version: 2203.07864v1 · doi: 10.48550/arxiv.2203.07864 · pith_short_12: TY66SXPQXBSW · pith_short_16: TY66SXPQXBSWKRTO · pith_short_8: TY66SXPQ

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/TY66SXPQXBSWKRTO7DVTUXXC3Q \
  | 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: 9e3de95df0b86565466ef8eb3a5ee2dc36fa01f4edb295b2d5f71580aea0b978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cdeb1f5fcd731230f7aded10b2d3a91d7c0b3047a6ba1a234db51035cbe23f2",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-03-15T13:13:02Z",
    "title_canon_sha256": "fb7dedd026673ce21465322917ead93be9ab92f7cb6f2c1307002fa725f8e1e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07864",
    "kind": "arxiv",
    "version": 1
  }
}