Pith Number

pith:VOCVXB3P

pith:2019:VOCVXB3P3TDNAPHK4LTVCBFNH4

not attested not anchored not stored refs pending

Constraints on nature of ultra light dark matter particles with 21cm forest

Hayato Shimabukuro, Kenji Kadota, Kiyotomo Ichiki

arxiv:1910.06011 v2 · 2019-10-14 · 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{VOCVXB3P3TDNAPHK4LTVCBFNH4}

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

Topological Signatures of Heating and Dark Matter in the 21 cm Forest

Receipt and verification

First computed	2026-07-05T00:40:59.381602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab855b876fdcc6d03ceae2e75104ad3f28b92d49cf6bc7ddc4bad9c681bae7e8

Aliases

arxiv: 1910.06011 · arxiv_version: 1910.06011v2 · doi: 10.48550/arxiv.1910.06011 · pith_short_12: VOCVXB3P3TDN · pith_short_16: VOCVXB3P3TDNAPHK · pith_short_8: VOCVXB3P

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/VOCVXB3P3TDNAPHK4LTVCBFNH4 \
  | 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: ab855b876fdcc6d03ceae2e75104ad3f28b92d49cf6bc7ddc4bad9c681bae7e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d1f88f3537f89d10855e91a86058cfb0e421f03557796b10ad423703377139a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-10-14T09:45:42Z",
    "title_canon_sha256": "e706a710a924477c2f30081905e6d4182ed93d4b7329623c7896412af78a74e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.06011",
    "kind": "arxiv",
    "version": 2
  }
}