Pith Number

pith:ACFF352P

pith:2021:ACFF352PBE6B7LENHIMOT3OTUE

not attested not anchored not stored refs pending

A strong broadband 21 cm cosmological signal from dark matter spin-flip interactions

Mansi Dhuria, Priyanka Sarmah, Vikram Rentala, Viraj Karambelkar

arxiv:2103.06303 v2 · 2021-03-10 · astro-ph.CO · 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{ACFF352PBE6B7LENHIMOT3OTUE}

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	2026-07-05T06:18:14.648028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

008a5df74f093c1fac8d3a18e9edd3a10dd9a2f19b7421ee8d4381b1bd33abe6

Aliases

arxiv: 2103.06303 · arxiv_version: 2103.06303v2 · doi: 10.48550/arxiv.2103.06303 · pith_short_12: ACFF352PBE6B · pith_short_16: ACFF352PBE6B7LEN · pith_short_8: ACFF352P

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/ACFF352PBE6B7LENHIMOT3OTUE \
  | 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: 008a5df74f093c1fac8d3a18e9edd3a10dd9a2f19b7421ee8d4381b1bd33abe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc16594b778b52d1edc62c366038e43ef4f411bc8c8c71a41e97684bfd060c9",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-03-10T19:13:21Z",
    "title_canon_sha256": "6e038ae31e466818e2b583c318bd2ddfd41f467aaa6c9edea46a2d8c632c5928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06303",
    "kind": "arxiv",
    "version": 2
  }
}