Pith Number

pith:LWGUPD2L

pith:2020:LWGUPD2LKQ56LPEUUUARVPSBCE

not attested not anchored not stored refs pending

Not quite black holes as dark matter

Bob Holdom, Jing Ren, Ufuk Aydemir

arxiv:2003.10682 v1 · 2020-03-24 · gr-qc · astro-ph.CO · astro-ph.HE · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LWGUPD2LKQ56LPEUUUARVPSBCE}

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	2026-07-05T01:22:42.356879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d8d478f4b543be5bc94a5011abe41112f68b53c6044ce16661d84f41f8349d1

Aliases

arxiv: 2003.10682 · arxiv_version: 2003.10682v1 · doi: 10.48550/arxiv.2003.10682 · pith_short_12: LWGUPD2LKQ56 · pith_short_16: LWGUPD2LKQ56LPEU · pith_short_8: LWGUPD2L

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/LWGUPD2LKQ56LPEUUUARVPSBCE \
  | 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: 5d8d478f4b543be5bc94a5011abe41112f68b53c6044ce16661d84f41f8349d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a41aa0a5492f456fc9b90707295db6bb1737cb8fd43a7c0c20e638ab6b39ac",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-24T06:40:10Z",
    "title_canon_sha256": "1dd4c74318ec9cc4fb5edcac081f8cd87c6c5b005d8007fcba4e4218dd8d815f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10682",
    "kind": "arxiv",
    "version": 1
  }
}