Pith Number

pith:IT5DFXTE

pith:2021:IT5DFXTEXUUQLE2YBNCDQAPL2U

not attested not anchored not stored refs pending

Dark matter constraints with stacked gamma rays scales with the number of galaxies

Atsushi J. Nishizawa, Daiki Hashimoto, Masahiro Takada, Oscar Macias

arxiv:2109.08832 v2 · 2021-09-18 · 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{IT5DFXTEXUUQLE2YBNCDQAPL2U}

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	2026-07-05T04:18:47.811581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44fa32de64bd290593580b443801ebd5307f2d95a96c2f0f87416c15f49f6c8c

Aliases

arxiv: 2109.08832 · arxiv_version: 2109.08832v2 · doi: 10.48550/arxiv.2109.08832 · pith_short_12: IT5DFXTEXUUQ · pith_short_16: IT5DFXTEXUUQLE2Y · pith_short_8: IT5DFXTE

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/IT5DFXTEXUUQLE2YBNCDQAPL2U \
  | 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: 44fa32de64bd290593580b443801ebd5307f2d95a96c2f0f87416c15f49f6c8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484c4040fb58318ba034a6c1d590a7a80b2b6ca9ab90d5c9031fc0170a98f9c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-18T05:00:59Z",
    "title_canon_sha256": "54a7b47ca9328ce4f8156859c03b8efb56b5273f014f7a967bbcd5c7750623c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08832",
    "kind": "arxiv",
    "version": 2
  }
}