Pith Number

pith:JQRWBHWE

pith:2021:JQRWBHWEIRFUUDLRVN6M6JBBPZ

not attested not anchored not stored refs pending

A 21-cm power spectrum at 48 MHz, using the Owens Valley Long Wavelength Array

Anastasia Fialkov, Daniel C. Price, Daniel Mitchell, Frank K. Schinzel, Gianni Bernardi, Hugh Garsden, Jayce Dowell, Lincoln Greenhill, Marta Spinelli

arxiv:2102.09596 v3 · 2021-02-18 · 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{JQRWBHWEIRFUUDLRVN6M6JBBPZ}

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	2026-07-05T02:57:15.667455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c23609ec4444b4a0d71ab7ccf24217e656a7b8b54ab0e254a330e1b00f96f06

Aliases

arxiv: 2102.09596 · arxiv_version: 2102.09596v3 · doi: 10.48550/arxiv.2102.09596 · pith_short_12: JQRWBHWEIRFU · pith_short_16: JQRWBHWEIRFUUDLR · pith_short_8: JQRWBHWE

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/JQRWBHWEIRFUUDLRVN6M6JBBPZ \
  | 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: 4c23609ec4444b4a0d71ab7ccf24217e656a7b8b54ab0e254a330e1b00f96f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ae0d36fc4ae79bc9ebff69ee5872fa73735e980b4833bb5d9c3ef93ee2a766",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-02-18T20:09:40Z",
    "title_canon_sha256": "95b224307e30cbdac546c502617e5fe9c3915cfb93a8d6a3bc5f20a369c8c46f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09596",
    "kind": "arxiv",
    "version": 3
  }
}