Pith Number

pith:7WOTGP3Q

pith:2026:7WOTGP3QHJZYHMEER62AY5YO2H

not attested not anchored not stored refs pending

Understanding constraints on primordial mass black holes made of dark matter using fast radio bursts

Amanda Weltman, Shruti Bhatporia, Surajit Kalita

arxiv:2607.28704 v1 · 2026-07-30 · astro-ph.CO · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WOTGP3QHJZYHMEER62AY5YO2H}

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	2026-08-03T00:12:13.474207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd9d333f703a7383b0848fb40c770ed1dab44be1c9606f288fffc7e8c6bc15bf

Aliases

arxiv: 2607.28704 · arxiv_version: 2607.28704v1 · doi: 10.48550/arxiv.2607.28704 · pith_short_12: 7WOTGP3QHJZY · pith_short_16: 7WOTGP3QHJZYHMEE · pith_short_8: 7WOTGP3Q

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/7WOTGP3QHJZYHMEER62AY5YO2H \
  | 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: fd9d333f703a7383b0848fb40c770ed1dab44be1c9606f288fffc7e8c6bc15bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10abee4591cf86d690ae59b30b5b467ebdefca0d1e09495944e92f762ed39b57",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-30T14:56:45Z",
    "title_canon_sha256": "0a542a9c581f7e8bf32a1f56eb88c29ef43f80249cace7046813806153cd87e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28704",
    "kind": "arxiv",
    "version": 1
  }
}