Pith Number

pith:Q2MDMR7D

pith:2018:Q2MDMR7D3JDQPFHDOEJYO7MA5L

not attested not anchored not stored refs pending

Splashback radius of nonspherical dark matter halos from cosmic density and velocity fields

Keiichi Umetsu, Ken Osato, Takahiro Nishimichi, Teppei Okumura

arxiv:1807.02669 v2 · 2018-07-07 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2MDMR7D3JDQPFHDOEJYO7MA5L}

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	2026-05-18T00:10:16.444173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86983647e3da470794e37113877d80eac29bf5989ddf7ae70388bcad61aff41e

Aliases

arxiv: 1807.02669 · arxiv_version: 1807.02669v2 · doi: 10.48550/arxiv.1807.02669 · pith_short_12: Q2MDMR7D3JDQ · pith_short_16: Q2MDMR7D3JDQPFHD · pith_short_8: Q2MDMR7D

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/Q2MDMR7D3JDQPFHDOEJYO7MA5L \
  | 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: 86983647e3da470794e37113877d80eac29bf5989ddf7ae70388bcad61aff41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2843feee2e07860d866cc67f2cdb022f5be36fa573207a0d52abeca5ff4ec94e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-07T14:31:56Z",
    "title_canon_sha256": "d1415670e2deec5d15abe60fee29463130d0d2caff557dc23d773eca1f8e733b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02669",
    "kind": "arxiv",
    "version": 2
  }
}